(a) Interpretation: The complete reaction corresponding to the incomplete reaction, PhCH 2 C ≡ N → heat Raney Ni ( catalyst ) is to be stated. Concept introduction: The chemical reaction in which hydrogen molecule is used in the presence of nickel as a catalyst to reduce an organic compound is known as hydrogenation reaction. Hydrogenation is basically used to add the pair of hydrogen atoms to an alkene .

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Answer 1

Question

Chapter 21, Problem 21.21P

Interpretation Introduction

(a)

Interpretation:

The complete reaction corresponding to the incomplete reaction, $PhCH2C≡N→heatRaney Ni(catalyst)$ is to be stated.

Concept introduction:

The chemical reaction in which hydrogen molecule is used in the presence of nickel as a catalyst to reduce an organic compound is known as hydrogenation reaction. Hydrogenation is basically used to add the pair of hydrogen atoms to an alkene.

Interpretation Introduction

(b)

Interpretation:

The complete reaction corresponding to the given incomplete reaction, is to be stated.

Concept introduction:

The reduction of an amine or nitrile in the presence of a hydride like $LiAlH4$ and $NaBH4$ forms the corresponding amide. Among $LiAlH4$ and $NaBH4$ , $LiAlH4$ is mostly preferred for the reduction of amines or nitriles because it is strong reducing agent.

Interpretation Introduction

(c)

Interpretation:

The complete reaction corresponding to the given incomplete reaction is to be stated.

Concept introduction:

The reduction of an ester group in the presence of a hydride like $LiAlH4$ and $NaBH4$ forms the corresponding alcohols. Among $LiAlH4$ and $NaBH4$ , $LiAlH4$ is mostly preferred for the reduction of amines, ester or nitriles because it is strong reducing agent.

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Answer 2

Question

Chapter 21, Problem 21.21P

Interpretation Introduction

(a)

Interpretation:

The complete reaction corresponding to the incomplete reaction, $PhCH2C≡N→heatRaney Ni(catalyst)$ is to be stated.

Concept introduction:

The chemical reaction in which hydrogen molecule is used in the presence of nickel as a catalyst to reduce an organic compound is known as hydrogenation reaction. Hydrogenation is basically used to add the pair of hydrogen atoms to an alkene.

Interpretation Introduction

(b)

Interpretation:

The complete reaction corresponding to the given incomplete reaction, is to be stated.

Concept introduction:

The reduction of an amine or nitrile in the presence of a hydride like $LiAlH4$ and $NaBH4$ forms the corresponding amide. Among $LiAlH4$ and $NaBH4$ , $LiAlH4$ is mostly preferred for the reduction of amines or nitriles because it is strong reducing agent.

Interpretation Introduction

(c)

Interpretation:

The complete reaction corresponding to the given incomplete reaction is to be stated.

Concept introduction:

The reduction of an ester group in the presence of a hydride like $LiAlH4$ and $NaBH4$ forms the corresponding alcohols. Among $LiAlH4$ and $NaBH4$ , $LiAlH4$ is mostly preferred for the reduction of amines, ester or nitriles because it is strong reducing agent.

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Answer 3

Question

Chapter 21, Problem 21.21P

Interpretation Introduction

(a)

Interpretation:

The complete reaction corresponding to the incomplete reaction, $PhCH2C≡N→heatRaney Ni(catalyst)$ is to be stated.

Concept introduction:

The chemical reaction in which hydrogen molecule is used in the presence of nickel as a catalyst to reduce an organic compound is known as hydrogenation reaction. Hydrogenation is basically used to add the pair of hydrogen atoms to an alkene.

Interpretation Introduction

(b)

Interpretation:

The complete reaction corresponding to the given incomplete reaction, is to be stated.

Concept introduction:

The reduction of an amine or nitrile in the presence of a hydride like $LiAlH4$ and $NaBH4$ forms the corresponding amide. Among $LiAlH4$ and $NaBH4$ , $LiAlH4$ is mostly preferred for the reduction of amines or nitriles because it is strong reducing agent.

Interpretation Introduction

(c)

Interpretation:

The complete reaction corresponding to the given incomplete reaction is to be stated.

Concept introduction:

The reduction of an ester group in the presence of a hydride like $LiAlH4$ and $NaBH4$ forms the corresponding alcohols. Among $LiAlH4$ and $NaBH4$ , $LiAlH4$ is mostly preferred for the reduction of amines, ester or nitriles because it is strong reducing agent.

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Answer 4

Question

Chapter 21, Problem 21.21P

Interpretation Introduction

(a)

Interpretation:

The complete reaction corresponding to the incomplete reaction, $PhCH2C≡N→heatRaney Ni(catalyst)$ is to be stated.

Concept introduction:

The chemical reaction in which hydrogen molecule is used in the presence of nickel as a catalyst to reduce an organic compound is known as hydrogenation reaction. Hydrogenation is basically used to add the pair of hydrogen atoms to an alkene.

Interpretation Introduction

(b)

Interpretation:

The complete reaction corresponding to the given incomplete reaction, is to be stated.

Concept introduction:

The reduction of an amine or nitrile in the presence of a hydride like $LiAlH4$ and $NaBH4$ forms the corresponding amide. Among $LiAlH4$ and $NaBH4$ , $LiAlH4$ is mostly preferred for the reduction of amines or nitriles because it is strong reducing agent.

Interpretation Introduction

(c)

Interpretation:

The complete reaction corresponding to the given incomplete reaction is to be stated.

Concept introduction:

The reduction of an ester group in the presence of a hydride like $LiAlH4$ and $NaBH4$ forms the corresponding alcohols. Among $LiAlH4$ and $NaBH4$ , $LiAlH4$ is mostly preferred for the reduction of amines, ester or nitriles because it is strong reducing agent.

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Answer 5

Chapter 21, Problem 21.21P

Interpretation Introduction

(a)

Interpretation:

The complete reaction corresponding to the incomplete reaction, $PhCH2C≡N→heatRaney Ni(catalyst)$ is to be stated.

Concept introduction:

The chemical reaction in which hydrogen molecule is used in the presence of nickel as a catalyst to reduce an organic compound is known as hydrogenation reaction. Hydrogenation is basically used to add the pair of hydrogen atoms to an alkene.

Interpretation Introduction

(b)

Interpretation:

The complete reaction corresponding to the given incomplete reaction, is to be stated.

Concept introduction:

The reduction of an amine or nitrile in the presence of a hydride like $LiAlH4$ and $NaBH4$ forms the corresponding amide. Among $LiAlH4$ and $NaBH4$ , $LiAlH4$ is mostly preferred for the reduction of amines or nitriles because it is strong reducing agent.

Interpretation Introduction

(c)

Interpretation:

The complete reaction corresponding to the given incomplete reaction is to be stated.

Concept introduction:

The reduction of an ester group in the presence of a hydride like $LiAlH4$ and $NaBH4$ forms the corresponding alcohols. Among $LiAlH4$ and $NaBH4$ , $LiAlH4$ is mostly preferred for the reduction of amines, ester or nitriles because it is strong reducing agent.

Answer 6

Chapter 21, Problem 21.21P

Interpretation Introduction

(a)

Interpretation:

The complete reaction corresponding to the incomplete reaction, $PhCH2C≡N→heatRaney Ni(catalyst)$ is to be stated.

Concept introduction:

The chemical reaction in which hydrogen molecule is used in the presence of nickel as a catalyst to reduce an organic compound is known as hydrogenation reaction. Hydrogenation is basically used to add the pair of hydrogen atoms to an alkene.

Answer 7

Chapter 21, Problem 21.21P

Interpretation Introduction

(a)

Interpretation:

The complete reaction corresponding to the incomplete reaction, $PhCH2C≡N→heatRaney Ni(catalyst)$ is to be stated.

Concept introduction:

The chemical reaction in which hydrogen molecule is used in the presence of nickel as a catalyst to reduce an organic compound is known as hydrogenation reaction. Hydrogenation is basically used to add the pair of hydrogen atoms to an alkene.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The complete reaction corresponding to the given incomplete reaction, is to be stated.

Concept introduction:

The reduction of an amine or nitrile in the presence of a hydride like $LiAlH4$ and $NaBH4$ forms the corresponding amide. Among $LiAlH4$ and $NaBH4$ , $LiAlH4$ is mostly preferred for the reduction of amines or nitriles because it is strong reducing agent.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The complete reaction corresponding to the given incomplete reaction, is to be stated.

Concept introduction:

The reduction of an amine or nitrile in the presence of a hydride like $LiAlH4$ and $NaBH4$ forms the corresponding amide. Among $LiAlH4$ and $NaBH4$ , $LiAlH4$ is mostly preferred for the reduction of amines or nitriles because it is strong reducing agent.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The complete reaction corresponding to the given incomplete reaction is to be stated.

Concept introduction:

The reduction of an ester group in the presence of a hydride like $LiAlH4$ and $NaBH4$ forms the corresponding alcohols. Among $LiAlH4$ and $NaBH4$ , $LiAlH4$ is mostly preferred for the reduction of amines, ester or nitriles because it is strong reducing agent.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The complete reaction corresponding to the given incomplete reaction is to be stated.

Concept introduction:

The reduction of an ester group in the presence of a hydride like $LiAlH4$ and $NaBH4$ forms the corresponding alcohols. Among $LiAlH4$ and $NaBH4$ , $LiAlH4$ is mostly preferred for the reduction of amines, ester or nitriles because it is strong reducing agent.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 21 - Prob. 21.1P Ch. 21 - Prob. 21.2P Ch. 21 - Prob. 21.3P Ch. 21 - Prob. 21.4P Ch. 21 - Prob. 21.5P Ch. 21 - Prob. 21.6P Ch. 21 - Prob. 21.7P Ch. 21 - Prob. 21.8P Ch. 21 - Prob. 21.9P Ch. 21 - Prob. 21.10P

Solution Summary: The author explains the hydrogenation reaction in which hydrogen molecule is used in the presence of nickel as a catalyst to reduce an organic compound.

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Chapter 21 Solutions