(a) Interpretation: The structure of the incorrectly named compound should be determined along with the correct name of the compound. 2-ethyl-3-methyl-5-isopropyl hexane Concept Introduction: Compounds consist of carbon and hydrogen is known as hydrocarbons. Rules of naming saturated and unsaturated hydrocarbons are: First choose the longest continuous chain of carbon atoms known as parent chain. The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number. In case of alkene , “ene” is used at the end of the name and in case of alkyne , “yne” is used at the end of the name. The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number. The alkyl groups are written in alphabetical order.

Question

Based on the image attached, what is the name of the compound? A. 3-chloro-2-ethylpyrimidine B. 3-chloro-2-ethyl-1,4-diazacyclohexane C. 3-chloro-2-ethylcyclohexan-1,4-diamine D. 2-chloro-3-ethyl-1,4-diazacyclohexane

Answer 1

Question

Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Chapter 20, Problem 2ALQ

Interpretation Introduction

(a)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

2-ethyl-3-methyl-5-isopropyl hexane

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

Interpretation Introduction

(b)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

3-methyl-4-isopropyl pentane

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

Interpretation Introduction

(c)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

2-ethyl-3-butyne

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

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Based on the image attached, what is the name of the compound? A. 3-chloro-2-ethylpyrimidine B. 3-chloro-2-ethyl-1,4-diazacyclohexane C. 3-chloro-2-ethylcyclohexan-1,4-diamine D. 2-chloro-3-ethyl-1,4-diazacyclohexane

1. Draw a structural diagram for each of the following a. 3-ethyl-4-methyl-1-octene b. 4-propyl-3-methyl-1-heptyne c. 5-ethyl-2,3-dimethylheptane d. 3-ethylhexane e. 3-ethyl-2-methyl-4-propylnonane f. 4-methyl-1-pentyne g. 3-ethyl-2,4-dimethyl-2-pentene h. 3,3-dimethyl-1-pentyne i. cyclooctane j. cycloheptene k. 1,2-dipropylbenzene 1. 1,1-diphenylethane m. 1-butyl-4-methylbenzene

What is the IUPAC name of the following compound? a. 2-isopropyl-5-methylpentane b. 5-isopropyl-2-methylpentane c. 2,3,5-trimethylhexane d. 1,2-diisopropylpropane a O d

Answer 2

Question

Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Chapter 20, Problem 2ALQ

Interpretation Introduction

(a)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

2-ethyl-3-methyl-5-isopropyl hexane

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

Interpretation Introduction

(b)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

3-methyl-4-isopropyl pentane

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

Interpretation Introduction

(c)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

2-ethyl-3-butyne

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

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Answer 3

Question

Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Chapter 20, Problem 2ALQ

Interpretation Introduction

(a)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

2-ethyl-3-methyl-5-isopropyl hexane

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

Interpretation Introduction

(b)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

3-methyl-4-isopropyl pentane

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

Interpretation Introduction

(c)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

2-ethyl-3-butyne

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

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Answer 4

Question

Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Chapter 20, Problem 2ALQ

Interpretation Introduction

(a)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

2-ethyl-3-methyl-5-isopropyl hexane

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

Interpretation Introduction

(b)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

3-methyl-4-isopropyl pentane

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

Interpretation Introduction

(c)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

2-ethyl-3-butyne

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

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Answer 5

Chapter 20, Problem 2ALQ

Interpretation Introduction

(a)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

2-ethyl-3-methyl-5-isopropyl hexane

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

Interpretation Introduction

(b)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

3-methyl-4-isopropyl pentane

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

Interpretation Introduction

(c)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

2-ethyl-3-butyne

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

Answer 6

Chapter 20, Problem 2ALQ

Interpretation Introduction

(a)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

2-ethyl-3-methyl-5-isopropyl hexane

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

Answer 7

Chapter 20, Problem 2ALQ

Interpretation Introduction

(a)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

2-ethyl-3-methyl-5-isopropyl hexane

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

3-methyl-4-isopropyl pentane

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

3-methyl-4-isopropyl pentane

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

2-ethyl-3-butyne

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The structure of the incorrectly named compound should be determined along with the correct name of the compound.

2-ethyl-3-butyne

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons.

Rules of naming saturated and unsaturated hydrocarbons are:

First choose the longest continuous chain of carbon atoms known as parent chain.

The numbering of parent chain should be done in a way that the substituents, double bond and triple bond get the lowest number.

In case of alkene, “ene” is used at the end of the name and in case of alkyne, “yne” is used at the end of the name.

The appropriate name should be given to every alkyl group and denote its position on the parent chain with the number.

The alkyl groups are written in alphabetical order.

Answer 12

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Answer 13

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Answer 14

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Answer 20

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Answer 23

Ch. 20.2 - Exercise 20.1 Give the molecular formulas for the...Ch. 20.4 - Exercise 20.2 Name the following molecules. a. b.Ch. 20.4 - Exercise 20.3 Write the structural formula for...Ch. 20.5 - Petroleum is a very valuable raw material for the...Ch. 20.7 - Exercise 20.4 Name the following molecules. a. b.Ch. 20.9 - Prob. 20.5SC Ch. 20.11 - Prob. 20.6SC Ch. 20.14 - Prob. 20.7SC Ch. 20 - What is meant by the term “unsaturated...Ch. 20 - Prob. 2ALQ

Solution Summary: The author explains the structure of the incorrectly named compound along with the correct name.

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