(a) Interpretation: The structure of methyl red is to be predicted. Concept introduction: Amines are the organic compounds that are formed by replacement of hydrogen from ammonia. The formation of diazonium salt from aromatic amines takes place using sodium nitrite and hydrochloric acid at low temperatures. This process is known as diazotization.

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Answer 1

Question

Chapter 23, Problem 23.53AP

Interpretation Introduction

(a)

Interpretation:

The structure of methyl red is to be predicted.

Concept introduction:

Amines are the organic compounds that are formed by replacement of hydrogen from ammonia. The formation of diazonium salt from aromatic amines takes place using sodium nitrite and hydrochloric acid at low temperatures. This process is known as diazotization.

Interpretation Introduction

(b)

Interpretation:

The reason as to for the statement that the color of methyl red solution changes very little in the pH=2.3 the color of the solution changes dramatically from red to yellow in pH=5.0 is to be stated.

Concept introduction:

Acid-base indicators are used to check whether the given solution is acidic, basic or neutral in nature. The common indicators are methyl red, litmus, bromthymol, and phenolphthalein. These indicators are used in acid-base titrations to indicate the endpoint of the titration.

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(a) Rank the following compounds in order of increasing acidity. (b) Which compound forms the strongest conjugate base?

Hypoglycin A, an amino acid derivative found in unripened lychee, is anacutely toxic compound that produces seizures, coma, and sometimesdeath in undernourished children when ingested on an empty stomach. (a) Draw the neutral, positively charged, and negatively charged forms of hypoglycin A. (b) Which form predominates at pH = 1, 6, and 11? (c) What is the structure of hypoclycin A at its isoelectric point?

(c) Arrange the following compounds in order of increasing acidity, and explain the reasons for your choice of order: phenol, cyclohexanol, 2-fluorocyclohexanol, 2-fluorophenol.

Answer 2

Question

Chapter 23, Problem 23.53AP

Interpretation Introduction

(a)

Interpretation:

The structure of methyl red is to be predicted.

Concept introduction:

Amines are the organic compounds that are formed by replacement of hydrogen from ammonia. The formation of diazonium salt from aromatic amines takes place using sodium nitrite and hydrochloric acid at low temperatures. This process is known as diazotization.

Interpretation Introduction

(b)

Interpretation:

The reason as to for the statement that the color of methyl red solution changes very little in the pH=2.3 the color of the solution changes dramatically from red to yellow in pH=5.0 is to be stated.

Concept introduction:

Acid-base indicators are used to check whether the given solution is acidic, basic or neutral in nature. The common indicators are methyl red, litmus, bromthymol, and phenolphthalein. These indicators are used in acid-base titrations to indicate the endpoint of the titration.

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Answer 3

Question

Chapter 23, Problem 23.53AP

Interpretation Introduction

(a)

Interpretation:

The structure of methyl red is to be predicted.

Concept introduction:

Amines are the organic compounds that are formed by replacement of hydrogen from ammonia. The formation of diazonium salt from aromatic amines takes place using sodium nitrite and hydrochloric acid at low temperatures. This process is known as diazotization.

Interpretation Introduction

(b)

Interpretation:

The reason as to for the statement that the color of methyl red solution changes very little in the pH=2.3 the color of the solution changes dramatically from red to yellow in pH=5.0 is to be stated.

Concept introduction:

Acid-base indicators are used to check whether the given solution is acidic, basic or neutral in nature. The common indicators are methyl red, litmus, bromthymol, and phenolphthalein. These indicators are used in acid-base titrations to indicate the endpoint of the titration.

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Answer 4

Question

Chapter 23, Problem 23.53AP

Interpretation Introduction

(a)

Interpretation:

The structure of methyl red is to be predicted.

Concept introduction:

Amines are the organic compounds that are formed by replacement of hydrogen from ammonia. The formation of diazonium salt from aromatic amines takes place using sodium nitrite and hydrochloric acid at low temperatures. This process is known as diazotization.

Interpretation Introduction

(b)

Interpretation:

The reason as to for the statement that the color of methyl red solution changes very little in the pH=2.3 the color of the solution changes dramatically from red to yellow in pH=5.0 is to be stated.

Concept introduction:

Acid-base indicators are used to check whether the given solution is acidic, basic or neutral in nature. The common indicators are methyl red, litmus, bromthymol, and phenolphthalein. These indicators are used in acid-base titrations to indicate the endpoint of the titration.

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Answer 5

Chapter 23, Problem 23.53AP

Interpretation Introduction

(a)

Interpretation:

The structure of methyl red is to be predicted.

Concept introduction:

Amines are the organic compounds that are formed by replacement of hydrogen from ammonia. The formation of diazonium salt from aromatic amines takes place using sodium nitrite and hydrochloric acid at low temperatures. This process is known as diazotization.

Interpretation Introduction

(b)

Interpretation:

The reason as to for the statement that the color of methyl red solution changes very little in the pH=2.3 the color of the solution changes dramatically from red to yellow in pH=5.0 is to be stated.

Concept introduction:

Acid-base indicators are used to check whether the given solution is acidic, basic or neutral in nature. The common indicators are methyl red, litmus, bromthymol, and phenolphthalein. These indicators are used in acid-base titrations to indicate the endpoint of the titration.

Answer 6

Chapter 23, Problem 23.53AP

Interpretation Introduction

(a)

Interpretation:

The structure of methyl red is to be predicted.

Concept introduction:

Amines are the organic compounds that are formed by replacement of hydrogen from ammonia. The formation of diazonium salt from aromatic amines takes place using sodium nitrite and hydrochloric acid at low temperatures. This process is known as diazotization.

Answer 7

Chapter 23, Problem 23.53AP

Interpretation Introduction

(a)

Interpretation:

The structure of methyl red is to be predicted.

Concept introduction:

Amines are the organic compounds that are formed by replacement of hydrogen from ammonia. The formation of diazonium salt from aromatic amines takes place using sodium nitrite and hydrochloric acid at low temperatures. This process is known as diazotization.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The reason as to for the statement that the color of methyl red solution changes very little in the pH=2.3 the color of the solution changes dramatically from red to yellow in pH=5.0 is to be stated.

Concept introduction:

Acid-base indicators are used to check whether the given solution is acidic, basic or neutral in nature. The common indicators are methyl red, litmus, bromthymol, and phenolphthalein. These indicators are used in acid-base titrations to indicate the endpoint of the titration.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The reason as to for the statement that the color of methyl red solution changes very little in the pH=2.3 the color of the solution changes dramatically from red to yellow in pH=5.0 is to be stated.

Concept introduction:

Acid-base indicators are used to check whether the given solution is acidic, basic or neutral in nature. The common indicators are methyl red, litmus, bromthymol, and phenolphthalein. These indicators are used in acid-base titrations to indicate the endpoint of the titration.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 23 - Prob. 23.1P Ch. 23 - Prob. 23.2P Ch. 23 - Prob. 23.3P Ch. 23 - Prob. 23.4P Ch. 23 - Prob. 23.5P Ch. 23 - Prob. 23.6P Ch. 23 - Prob. 23.7P Ch. 23 - Prob. 23.8P Ch. 23 - Prob. 23.9P Ch. 23 - Prob. 23.10P

Solution Summary: The author explains that the structure of methyl red is shown in Figure 2. Anthranilic acid reacts with N,N- dimethylaniline in aqueous solution.

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Chapter 23 Solutions