Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN: 9781133949640
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Textbook Question
Chapter 23, Problem 40PS

Name the following amines:

(a) CH3CH2CH2NH2

(b) (CH3)3N

(c) (CH3)(C2H5)NH

(d) C6H13NH2

(a)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation: The name of the following amine has to be written.

Concept introduction:

 Amines are the derivatives of ammonia (NH3) with one or more of the hydrogens replaced with a substituent such as an alkyl group.

 Depending on the number of carbon side chain of the nitrogen, different types of amines can form.

 Chemistry & Chemical Reactivity, Chapter 23, Problem 40PS , additional homework tip  1

 Primary amines can be named in the IUPAC system in several ways,

 For simple amines the suffix – amine is added to the name of the alkyl substituent.

 The suffix-amine can be used in place of the final –e in the name of the parent compound.

 For a secondary amine an N prefixes the compound giving the shorter carbon chain and its chain prefix name.

 For a tertiary amine an N, N prefixes the compound giving the two shorter carbon chains and their side chain prefix names.

Answer to Problem 40PS

The systematic name of the given amine, CH3CH2CH2NH2 is propylamine.

Explanation of Solution

The molecular formula of the given amine is CH3CH2CH2NH2

It is a primary amine

One propyl (CH3CH2CH2) group is attached to nitrogen atom

Therefore, the name of the given amine is propylamine.

(b)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation: The name of the following amine has to be written.

Concept introduction:

 Amines are the derivatives of ammonia (NH3) with one or more of the hydrogens replaced with a substituent such as an alkyl group.

 Depending on the number of carbon side chain of the nitrogen, different types of amines can form.

 Chemistry & Chemical Reactivity, Chapter 23, Problem 40PS , additional homework tip  2

 Primary amines can be named in the IUPAC system in several ways,

 For simple amines the suffix – amine is added to the name of the alkyl substituent.

 The suffix-amine can be used in place of the final –e in the name of the parent compound.

 For a secondary amine an N prefixes the compound giving the shorter carbon chain and its chain prefix name.

 For a tertiary amine an N, N prefixes the compound giving the two shorter carbon chains and their side chain prefix names.

Answer to Problem 40PS

The systematic name of the given amine, (CH3)3N is N,N-trimethylamine.

Explanation of Solution

The molecular formula of the given amine is (CH3)3N

Three methyl (CH3) groups are attached to nitrogen atom

It is a tertiary amine

Therefore,

The name of the given amine is N,N-trimethylamine.

(c)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation: The name of the following amine has to be written.

Concept introduction:

 Amines are the derivatives of ammonia (NH3) with one or more of the hydrogens replaced with a substituent such as an alkyl group.

 Depending on the number of carbon side chain of the nitrogen, different types of amines can form.

 Chemistry & Chemical Reactivity, Chapter 23, Problem 40PS , additional homework tip  3

 Primary amines can be named in the IUPAC system in several ways,

 For simple amines the suffix – amine is added to the name of the alkyl substituent.

 The suffix-amine can be used in place of the final –e in the name of the parent compound.

 For a secondary amine an N prefixes the compound giving the shorter carbon chain and its chain prefix name.

 For a tertiary amine an N, N prefixes the compound giving the two shorter carbon chains and their side chain prefix names.

Answer to Problem 40PS

The systematic name of the given amine, (CH3)(CH3CH2)NH is N-ethylmethylamine.

Explanation of Solution

The molecular formula of the given amine is (CH3)(CH3CH2)NH

One methyl (CH3) and one ethyl groups are attached to nitrogen atom

It is a secondary amine

Therefore, the name of the given amine is N-ethylmethylamine.

(d)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation: The name of the following amine has to be written.

Concept introduction:

 Amines are the derivatives of ammonia (NH3) with one or more of the hydrogens replaced with a substituent such as an alkyl group.

 Depending on the number of carbon side chain of the nitrogen, different types of amines can form.

 Chemistry & Chemical Reactivity, Chapter 23, Problem 40PS , additional homework tip  4

 Primary amines can be named in the IUPAC system in several ways,

 For simple amines the suffix – amine is added to the name of the alkyl substituent.

 The suffix-amine can be used in place of the final –e in the name of the parent compound.

 For a secondary amine an N prefixes the compound giving the shorter carbon chain and its chain prefix name.

 For a tertiary amine an N, N prefixes the compound giving the two shorter carbon chains and their side chain prefix names.

Answer to Problem 40PS

The systematic name of the given amine, (C6H13)NH2 is hexylamine.

Explanation of Solution

The molecular formula of the given amine is (C6H13)NH2

It is a primary amine

One hexyl (C6H13) is attached to nitrogen atom.

Therefore the name of the given amine is hexylamine.

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Chapter 23 Solutions

Chemistry & Chemical Reactivity

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