The structural formula for the given phenol has to be drawn. Concept Introduction: When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives. Phenol derivative with one substituent: IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible. Ortho- means disubstitution in 1,2 Meta- means disubstitution in 1,3 Para- means disubstitution in 1,4 In all the above derivatives of phenol, the first position is occupied by hydroxyl group. Phenol derivatives with two or more substituents: More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number. By considering the way the phenol is named, the structure can be drawn if the name is given.

Question

synthesize 1-propyne starting with propane.

Answer 1

Question

Chapter 14, Problem 14.77EP

(a)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

(b)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

(c)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

(d)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

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synthesize 1-propyne starting with propane.

starting reactant IV target + enantiomer 1) BH3, THF 2) H₂O2, NaOH, H₂O 1) Hg(OAc)2, THF, H₂O (or ROH) 2) NaBH4 D2, Pt/C H₂, Pt/C D2, Lindlar catalyst or Ni₂B H₂, Lindlar catalyst or Ni₂B NaNH, OH/H₂O or SH/H₂S H₂O/H₂O 1) 03 2) H₂O 1) 03 2) (CH3)2S HBr, w/ROOR HBr, (cold, dark, no ROOR) Naº, NH3(e) NBS (trace Br2), light HgSO4, H2SO4, H₂O Naº, ROH 1) Sia₂BH, THF 2) H2O2, NaOH, H₂O H3O/ROH or H₂O*/RSH OR/ROH or SR/RSH 1) OsO4, NMO 2) NaHSO3, H₂O 1) MCPBA (peroxy acid) 2) H3O, H2O (or ROH or RSH) KMnO4 (warm, concentrated) Br₂/H₂O Br₂, heat or light Br2, cold, dark, no peroxides (CH3)3CO(CH3)3COH ROH or RSH H₂O KMnO4/OH (cold, dilute)

None

Answer 2

Question

Chapter 14, Problem 14.77EP

(a)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

(b)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

(c)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

(d)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

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Answer 3

Question

Chapter 14, Problem 14.77EP

(a)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

(b)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

(c)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

(d)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

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Answer 4

Question

Chapter 14, Problem 14.77EP

(a)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

(b)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

(c)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

(d)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

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Answer 5

Chapter 14, Problem 14.77EP

(a)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

(b)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

(c)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

(d)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

Answer 6

Chapter 14, Problem 14.77EP

(a)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

Answer 7

Chapter 14, Problem 14.77EP

(a)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

Answer 12

(d)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

Answer 13

(d)

Interpretation Introduction

Interpretation:

The structural formula for the given phenol has to be drawn.

Concept Introduction:

When one hydrogen atoms are replaced by a hydroxyl group in benzene is known as phenol. If the other hydrogen atoms present in phenol are replaced by other atoms or groups are known as phenol derivatives.

Phenol derivative with one substituent:

IUPAC system of naming phenol derivative considers phenol to be a part of main name. The numbering is given in a way that the substituent gets the least numbering possible.

Ortho- means disubstitution in 1,2

Meta- means disubstitution in 1,3

Para- means disubstitution in 1,4

In all the above derivatives of phenol, the first position is occupied by hydroxyl group.

Phenol derivatives with two or more substituents:

More than two groups are present in the benzene ring means, their positions are numbered. The numbering is always done in a way that the carbon atom bearing substituent gets the lowest numbering possible. If there is a choice of numbering system, then the group that comes alphabetically first is given the lowest number.

By considering the way the phenol is named, the structure can be drawn if the name is given.

Answer 14

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Answer 25

Ch. 14.1 - Prob. 1QQ Ch. 14.1 - Prob. 2QQ Ch. 14.2 - Prob. 1QQ Ch. 14.2 - Prob. 2QQ Ch. 14.2 - Prob. 3QQ Ch. 14.3 - Prob. 1QQ Ch. 14.3 - Prob. 2QQ Ch. 14.3 - Prob. 3QQ Ch. 14.3 - Prob. 4QQ Ch. 14.4 - Prob. 1QQ

Solution Summary: The author explains that the structural formula for 2-ethylphenol can be drawn by considering the way the phenol is named.

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