An explanation regarding the differences in the first and second p K a values of the dicarboxylic acids which become smaller as lengths of their carbon chains increase is to be stated. Concept introduction: The acidity depends on the ease with which the acidic hydrogen is removed and the relative stability of the conjugate base that results after hydrogen is lost. The acidic nature is governed by the electronic nature of the substituent. Inductive effect is defined as the polarization that results when a shared pair of electrons is attracted by the more electronegative atom bonded in a single bond. It is of two types: + I effect and − I effect. • + I Effect: In this case, the shared pair of electrons is attracted by the electron withdrawing substituents. • − I Effect: In this case, electron donating substituents donate their shared pair of electrons.

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Answer 1

Question

Chapter 20, Problem 20.33AP

Interpretation Introduction

Interpretation:

An explanation regarding the differences in the first and second pKa values of the dicarboxylic acids which become smaller as lengths of their carbon chains increase is to be stated.

Concept introduction:

The acidity depends on the ease with which the acidic hydrogen is removed and the relative stability of the conjugate base that results after hydrogen is lost. The acidic nature is governed by the electronic nature of the substituent.

Inductive effect is defined as the polarization that results when a shared pair of electrons is attracted by the more electronegative atom bonded in a single bond. It is of two types: + I effect and −I effect.

• + I Effect: In this case, the shared pair of electrons is attracted by the electron withdrawing substituents.

• −I Effect: In this case, electron donating substituents donate their shared pair of electrons.

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What is the solubility, the pH, and reaction of carboxylic acids?

You are going to be using Isoleucine in a buffer. The pKa of the carboxylate group of Isoleucine is 2.36 If you have a 0.1 M solution of Isoleucine at pH 3.22, what fraction (or percent) of the solution is in the deprotonated (COO- ) form?

propanoic acid + methanol (in concentrated sulfuric acid)

Answer 2

Question

Chapter 20, Problem 20.33AP

Interpretation Introduction

Interpretation:

An explanation regarding the differences in the first and second pKa values of the dicarboxylic acids which become smaller as lengths of their carbon chains increase is to be stated.

Concept introduction:

The acidity depends on the ease with which the acidic hydrogen is removed and the relative stability of the conjugate base that results after hydrogen is lost. The acidic nature is governed by the electronic nature of the substituent.

Inductive effect is defined as the polarization that results when a shared pair of electrons is attracted by the more electronegative atom bonded in a single bond. It is of two types: + I effect and −I effect.

• + I Effect: In this case, the shared pair of electrons is attracted by the electron withdrawing substituents.

• −I Effect: In this case, electron donating substituents donate their shared pair of electrons.

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Answer 3

Question

Chapter 20, Problem 20.33AP

Interpretation Introduction

Interpretation:

An explanation regarding the differences in the first and second pKa values of the dicarboxylic acids which become smaller as lengths of their carbon chains increase is to be stated.

Concept introduction:

The acidity depends on the ease with which the acidic hydrogen is removed and the relative stability of the conjugate base that results after hydrogen is lost. The acidic nature is governed by the electronic nature of the substituent.

Inductive effect is defined as the polarization that results when a shared pair of electrons is attracted by the more electronegative atom bonded in a single bond. It is of two types: + I effect and −I effect.

• + I Effect: In this case, the shared pair of electrons is attracted by the electron withdrawing substituents.

• −I Effect: In this case, electron donating substituents donate their shared pair of electrons.

Expert Solution & Answer

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Answer 4

Question

Chapter 20, Problem 20.33AP

Interpretation Introduction

Interpretation:

An explanation regarding the differences in the first and second pKa values of the dicarboxylic acids which become smaller as lengths of their carbon chains increase is to be stated.

Concept introduction:

The acidity depends on the ease with which the acidic hydrogen is removed and the relative stability of the conjugate base that results after hydrogen is lost. The acidic nature is governed by the electronic nature of the substituent.

Inductive effect is defined as the polarization that results when a shared pair of electrons is attracted by the more electronegative atom bonded in a single bond. It is of two types: + I effect and −I effect.

• + I Effect: In this case, the shared pair of electrons is attracted by the electron withdrawing substituents.

• −I Effect: In this case, electron donating substituents donate their shared pair of electrons.

Expert Solution & Answer

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Answer 5

Chapter 20, Problem 20.33AP

Interpretation Introduction

Interpretation:

An explanation regarding the differences in the first and second pKa values of the dicarboxylic acids which become smaller as lengths of their carbon chains increase is to be stated.

Concept introduction:

The acidity depends on the ease with which the acidic hydrogen is removed and the relative stability of the conjugate base that results after hydrogen is lost. The acidic nature is governed by the electronic nature of the substituent.

Inductive effect is defined as the polarization that results when a shared pair of electrons is attracted by the more electronegative atom bonded in a single bond. It is of two types: + I effect and −I effect.

• + I Effect: In this case, the shared pair of electrons is attracted by the electron withdrawing substituents.

• −I Effect: In this case, electron donating substituents donate their shared pair of electrons.

Answer 6

Chapter 20, Problem 20.33AP

Interpretation Introduction

Interpretation:

An explanation regarding the differences in the first and second pKa values of the dicarboxylic acids which become smaller as lengths of their carbon chains increase is to be stated.

Concept introduction:

The acidity depends on the ease with which the acidic hydrogen is removed and the relative stability of the conjugate base that results after hydrogen is lost. The acidic nature is governed by the electronic nature of the substituent.

Inductive effect is defined as the polarization that results when a shared pair of electrons is attracted by the more electronegative atom bonded in a single bond. It is of two types: + I effect and −I effect.

• + I Effect: In this case, the shared pair of electrons is attracted by the electron withdrawing substituents.

• −I Effect: In this case, electron donating substituents donate their shared pair of electrons.

Answer 7

Chapter 20, Problem 20.33AP

Interpretation Introduction

Interpretation:

An explanation regarding the differences in the first and second pKa values of the dicarboxylic acids which become smaller as lengths of their carbon chains increase is to be stated.

Concept introduction:

The acidity depends on the ease with which the acidic hydrogen is removed and the relative stability of the conjugate base that results after hydrogen is lost. The acidic nature is governed by the electronic nature of the substituent.

Inductive effect is defined as the polarization that results when a shared pair of electrons is attracted by the more electronegative atom bonded in a single bond. It is of two types: + I effect and −I effect.

• + I Effect: In this case, the shared pair of electrons is attracted by the electron withdrawing substituents.

• −I Effect: In this case, electron donating substituents donate their shared pair of electrons.

Answer 8

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Answer 9

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Answer 11

Ch. 20 - Prob. 20.1P Ch. 20 - Prob. 20.2P Ch. 20 - Prob. 20.3P Ch. 20 - Prob. 20.4P Ch. 20 - Prob. 20.5P Ch. 20 - Prob. 20.6P Ch. 20 - Prob. 20.7P Ch. 20 - Prob. 20.8P Ch. 20 - Prob. 20.9P Ch. 20 - Prob. 20.10P

Solution Summary: The author explains the differences in the first and second values of dicarboxylic acids which become smaller as lengths of their carbon chains increase.

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