Starting material and reagent used to prepare the given thiols need to be identified. Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S N 2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S N 2 reaction, thus, inversion of the configuration takes place.

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Answer 1

Question

Chapter 13.11, Problem 20CC

(a)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

(b)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

(c)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

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Ethyl butyrate, CH3CH2CH2CO2CH2CH3CH3CH2CH2CO2CH2CH3, is an artificial fruit flavor commonly used in the food industry for such flavors as orange and pineapple. Its fragrance and taste are often associated with fresh orange juice, and thus it is most commonly used as orange flavoring. It can be produced by the reaction of butanoic acid with ethanol in the presence of an acid catalyst (H+H+): CH3CH2CH2CO2H(l)+CH2CH3OH(l)H+⟶CH3CH2CH2CO2CH2CH3(l)+H2O(l)CH3CH2CH2CO2H(l)+CH2CH3OH(l)⟶H+CH3CH2CH2CO2CH2CH3(l)+H2O(l) A chemist ran the reaction and obtained 5.40 g of ethyl butyrate. What was the percent yield, The chemist discovers a more efficient catalyst that can produce ethyl butyrate with a 78.0% yield. How many grams would be produced from 7.45g of butanoic acid and excess ethanol?

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Answer 2

Question

Chapter 13.11, Problem 20CC

(a)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

(b)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

(c)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

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Answer 3

Question

Chapter 13.11, Problem 20CC

(a)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

(b)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

(c)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

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Answer 4

Question

Chapter 13.11, Problem 20CC

(a)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

(b)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

(c)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

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Answer 5

Chapter 13.11, Problem 20CC

(a)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

(b)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

(c)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

Answer 6

Chapter 13.11, Problem 20CC

(a)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

Answer 7

Chapter 13.11, Problem 20CC

(a)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

Answer 8

(b)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

Answer 9

(b)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

Answer 10

(c)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

Answer 11

(c)

Interpretation Introduction

Interpretation: Starting material and reagent used to prepare the given thiols need to be identified.

Concept introduction: preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction follows the S_N2 mechanism. Here, the substitution of the SH group takes place, and halide act as leaving group. Since it is an S_N2 reaction, thus, inversion of the configuration takes place.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 13.2 - Prob. 1LTS Ch. 13.2 - Prob. 1PTS Ch. 13.2 - Prob. 2PTS Ch. 13.2 - Prob. 3ATS Ch. 13.4 - Prob. 4CC Ch. 13.5 - Prob. 2LTS Ch. 13.5 - Prob. 5PTS Ch. 13.5 - Prob. 6ATS Ch. 13.5 - Prob. 7CC Ch. 13.5 - Prob. 8CC

Solution Summary: The author explains that preparation of thiol can be done when alkyl halide reacts with sodium hydrosulfide. The reaction takes place via the S N 2 mechanism.

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