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

Arrange the solutions in order of increasing acidity. (Note that K (HF) = 6.8 x 10 and K (NH3) = 1.8 × 10-5) Rank solutions from least acidity to greatest acidity. To rank items as equivalent, overlap them. ▸ View Available Hint(s) Least acidity NH&F NaBr NaOH NH,Br NaCIO Reset Greatest acidity

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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Arrange the solutions in order of increasing acidity. (Note that K (HF) = 6.8 x 10 and K (NH3) = 1.8 × 10-5) Rank solutions from least acidity to greatest acidity. To rank items as equivalent, overlap them. ▸ View Available Hint(s) Least acidity NH&F NaBr NaOH NH,Br NaCIO Reset Greatest acidity

1. Consider the following molecular-level diagrams of a titration. O-HA molecule -Aion °° о ° (a) о (b) (c) (d) a. Which diagram best illustrates the microscopic representation for the EQUIVALENCE POINT in a titration of a weak acid (HA) with sodium. hydroxide? (e)

Answers to the remaining 6 questions will be hand-drawn on paper and submitted as a single file upload below: Review of this week's reaction: H₂NCN (cyanamide) + CH3NHCH2COOH (sarcosine) + NaCl, NH4OH, H₂O ---> H₂NC(=NH)N(CH3)CH2COOH (creatine) Q7. Draw by hand the reaction of creatine synthesis listed above using line structures without showing the Cs and some of the Hs, but include the lone pairs of electrons wherever they apply. (4 pts) Q8. Considering the Zwitterion form of an amino acid, draw the Zwitterion form of Creatine. (2 pts) Q9. Explain with drawing why the C-N bond shown in creatine structure below can or cannot rotate. (3 pts) NH2(C=NH)-N(CH)CH2COOH This bond Q10. Draw two tautomers of creatine using line structures. (Note: this question is valid because problem Q9 is valid). (4 pts) Q11. Mechanism. After seeing and understanding the mechanism of creatine synthesis, students should be ready to understand the first half of one of the Grignard reactions presented in a past…

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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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