a) p -Nitroaniline, p -aminobenzaldehyde, p -bromoaniline Interpretation: The compounds p-nitroaniline, p-aminobenzaldehyde and p-bromoaniline are to be arranged in the increasing order of their basicity. Concept introduction: Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Question

Consider the following gas chromatographs of Compound A, Compound B, and a mixture of Compounds A and B. Inject A B mixture Area= 9 Area = 5 Area = 3 Area Inject . མི། Inject J2 What is the percentage of Compound B in the the mixture?

Answer 1

Question

Chapter 24.4, Problem 6P

Interpretation Introduction

a) p-Nitroaniline, p-aminobenzaldehyde, p-bromoaniline

Interpretation:

The compounds p-nitroaniline, p-aminobenzaldehyde and p-bromoaniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Interpretation Introduction

b) p-Chloroaniline, p-aminoacetophenone, p-methylaniline

Interpretation:

The compounds p-chloroaniline, p-aminoacetophenone and p-methylaniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Interpretation Introduction

c) p-(trifluoromethyl)aniline, p-methylaniline, p-(fluoromethyl)aniline

Interpretation:

The compounds p-(trifluoromethyl)aniline, p-methylaniline and p-(fluoromethyl) aniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

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Consider the following gas chromatographs of Compound A, Compound B, and a mixture of Compounds A and B. Inject A B mixture Area= 9 Area = 5 Area = 3 Area Inject . མི། Inject J2 What is the percentage of Compound B in the the mixture?

Rank these according to stability. CH3 H3C CH3 1 CH3 H3C 1 most stable, 3 least stable O 1 most stable, 2 least stable 2 most stable, 1 least stable O2 most stable, 3 least stable O3 most stable, 2 least stable O3 most stable, 1 least stable CH3 2 CH3 CH3 H₂C CH3 3 CH3 CH

Consider this IR and NMR: INFRARED SPECTRUM TRANSMITTANCE 0.8- 0.6 0.4 0.2 3000 10 9 8 00 HSP-00-541 7 CO 6 2000 Wavenumber (cm-1) сл 5 ppm 4 M Which compound gave rise to these spectra? N 1000 1 0

Answer 2

Question

Chapter 24.4, Problem 6P

Interpretation Introduction

a) p-Nitroaniline, p-aminobenzaldehyde, p-bromoaniline

Interpretation:

The compounds p-nitroaniline, p-aminobenzaldehyde and p-bromoaniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Interpretation Introduction

b) p-Chloroaniline, p-aminoacetophenone, p-methylaniline

Interpretation:

The compounds p-chloroaniline, p-aminoacetophenone and p-methylaniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Interpretation Introduction

c) p-(trifluoromethyl)aniline, p-methylaniline, p-(fluoromethyl)aniline

Interpretation:

The compounds p-(trifluoromethyl)aniline, p-methylaniline and p-(fluoromethyl) aniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

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Answer 3

Question

Chapter 24.4, Problem 6P

Interpretation Introduction

a) p-Nitroaniline, p-aminobenzaldehyde, p-bromoaniline

Interpretation:

The compounds p-nitroaniline, p-aminobenzaldehyde and p-bromoaniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Interpretation Introduction

b) p-Chloroaniline, p-aminoacetophenone, p-methylaniline

Interpretation:

The compounds p-chloroaniline, p-aminoacetophenone and p-methylaniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Interpretation Introduction

c) p-(trifluoromethyl)aniline, p-methylaniline, p-(fluoromethyl)aniline

Interpretation:

The compounds p-(trifluoromethyl)aniline, p-methylaniline and p-(fluoromethyl) aniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

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Answer 4

Question

Chapter 24.4, Problem 6P

Interpretation Introduction

a) p-Nitroaniline, p-aminobenzaldehyde, p-bromoaniline

Interpretation:

The compounds p-nitroaniline, p-aminobenzaldehyde and p-bromoaniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Interpretation Introduction

b) p-Chloroaniline, p-aminoacetophenone, p-methylaniline

Interpretation:

The compounds p-chloroaniline, p-aminoacetophenone and p-methylaniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Interpretation Introduction

c) p-(trifluoromethyl)aniline, p-methylaniline, p-(fluoromethyl)aniline

Interpretation:

The compounds p-(trifluoromethyl)aniline, p-methylaniline and p-(fluoromethyl) aniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

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Answer 5

Chapter 24.4, Problem 6P

Interpretation Introduction

a) p-Nitroaniline, p-aminobenzaldehyde, p-bromoaniline

Interpretation:

The compounds p-nitroaniline, p-aminobenzaldehyde and p-bromoaniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Interpretation Introduction

b) p-Chloroaniline, p-aminoacetophenone, p-methylaniline

Interpretation:

The compounds p-chloroaniline, p-aminoacetophenone and p-methylaniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Interpretation Introduction

c) p-(trifluoromethyl)aniline, p-methylaniline, p-(fluoromethyl)aniline

Interpretation:

The compounds p-(trifluoromethyl)aniline, p-methylaniline and p-(fluoromethyl) aniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Answer 6

Chapter 24.4, Problem 6P

Interpretation Introduction

a) p-Nitroaniline, p-aminobenzaldehyde, p-bromoaniline

Interpretation:

The compounds p-nitroaniline, p-aminobenzaldehyde and p-bromoaniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Answer 7

Chapter 24.4, Problem 6P

Interpretation Introduction

a) p-Nitroaniline, p-aminobenzaldehyde, p-bromoaniline

Interpretation:

The compounds p-nitroaniline, p-aminobenzaldehyde and p-bromoaniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Answer 8

Interpretation Introduction

b) p-Chloroaniline, p-aminoacetophenone, p-methylaniline

Interpretation:

The compounds p-chloroaniline, p-aminoacetophenone and p-methylaniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Answer 9

Interpretation Introduction

b) p-Chloroaniline, p-aminoacetophenone, p-methylaniline

Interpretation:

The compounds p-chloroaniline, p-aminoacetophenone and p-methylaniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Answer 10

Interpretation Introduction

c) p-(trifluoromethyl)aniline, p-methylaniline, p-(fluoromethyl)aniline

Interpretation:

The compounds p-(trifluoromethyl)aniline, p-methylaniline and p-(fluoromethyl) aniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Answer 11

Interpretation Introduction

c) p-(trifluoromethyl)aniline, p-methylaniline, p-(fluoromethyl)aniline

Interpretation:

The compounds p-(trifluoromethyl)aniline, p-methylaniline and p-(fluoromethyl) aniline are to be arranged in the increasing order of their basicity.

Concept introduction:

Amines are basic as they can donate the lone pair if electrons on the N atom. Generally aryl amines are less basic than alkyl amines. An electron withdrawing substituent present on the aromatic ring reduces the base strength while an electron releasing substituent present on the aromatic ring enhances the base strength.

Answer 12

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Ch. 24.1 - Name the following compounds:Ch. 24.1 - Prob. 2P Ch. 24.1 - Prob. 3P Ch. 24.3 - Prob. 4P Ch. 24.3 - The benzylammonium ion (C6H5CH2NH3+) has pKa =...Ch. 24.4 - Prob. 6P Ch. 24.5 - Prob. 7P Ch. 24.6 - Prob. 8P Ch. 24.6 - Prob. 9P Ch. 24.6 - Show two methods for the synthesis of dopamine, a...

Chapter 24 Solutions