The synthesis for the Ethylene glycol has to be done. Concept Introduction: The opening of Epoxide involves in two functional groups on adjacent Carbon atoms. The important features of ring opening reactions are regiochemistry and stereochemistry. 1) Regiochemistry: The regiochemistry depends on the nature of Epoxide when the starting Epoxide is unsymmetrical. 2) Stereochemistry: Inversion of configuration is observed when nucleophilic attack is seen at less hindered primary position if one position is primary and other is secondary. This steric effect is also expected from S N 2 process.

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Answer 1

Question

Chapter 14.12, Problem 25ATS

Interpretation Introduction

Interpretation:

The synthesis for the Ethylene glycol has to be done.

Concept Introduction:

The opening of Epoxide involves in two functional groups on adjacent Carbon atoms.

The important features of ring opening reactions are regiochemistry and stereochemistry.

1) Regiochemistry: The regiochemistry depends on the nature of Epoxide when the starting Epoxide is unsymmetrical.

2) Stereochemistry: Inversion of configuration is observed when nucleophilic attack is seen at less hindered primary position if one position is primary and other is secondary. This steric effect is also expected from SN2 process.

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CS2(g) →CS(g) + S(g) The rate law is Rate = k[CS2] where k = 1.6 × 10−6 s−¹. S What is the concentration of CS2 after 5 hours if the initial concentration is 0.25 M?

CS2(g) → CS(g) + S(g) The rate law is Rate = k [CS2] where k = 1.6 × 10-6 s−1. S Calculate the half-life.

Answer 2

Question

Chapter 14.12, Problem 25ATS

Interpretation Introduction

Interpretation:

The synthesis for the Ethylene glycol has to be done.

Concept Introduction:

The opening of Epoxide involves in two functional groups on adjacent Carbon atoms.

The important features of ring opening reactions are regiochemistry and stereochemistry.

1) Regiochemistry: The regiochemistry depends on the nature of Epoxide when the starting Epoxide is unsymmetrical.

2) Stereochemistry: Inversion of configuration is observed when nucleophilic attack is seen at less hindered primary position if one position is primary and other is secondary. This steric effect is also expected from SN2 process.

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Answer 3

Question

Chapter 14.12, Problem 25ATS

Interpretation Introduction

Interpretation:

The synthesis for the Ethylene glycol has to be done.

Concept Introduction:

The opening of Epoxide involves in two functional groups on adjacent Carbon atoms.

The important features of ring opening reactions are regiochemistry and stereochemistry.

1) Regiochemistry: The regiochemistry depends on the nature of Epoxide when the starting Epoxide is unsymmetrical.

2) Stereochemistry: Inversion of configuration is observed when nucleophilic attack is seen at less hindered primary position if one position is primary and other is secondary. This steric effect is also expected from SN2 process.

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Answer 4

Question

Chapter 14.12, Problem 25ATS

Interpretation Introduction

Interpretation:

The synthesis for the Ethylene glycol has to be done.

Concept Introduction:

The opening of Epoxide involves in two functional groups on adjacent Carbon atoms.

The important features of ring opening reactions are regiochemistry and stereochemistry.

1) Regiochemistry: The regiochemistry depends on the nature of Epoxide when the starting Epoxide is unsymmetrical.

2) Stereochemistry: Inversion of configuration is observed when nucleophilic attack is seen at less hindered primary position if one position is primary and other is secondary. This steric effect is also expected from SN2 process.

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Answer 5

Chapter 14.12, Problem 25ATS

Interpretation Introduction

Interpretation:

The synthesis for the Ethylene glycol has to be done.

Concept Introduction:

The opening of Epoxide involves in two functional groups on adjacent Carbon atoms.

The important features of ring opening reactions are regiochemistry and stereochemistry.

1) Regiochemistry: The regiochemistry depends on the nature of Epoxide when the starting Epoxide is unsymmetrical.

2) Stereochemistry: Inversion of configuration is observed when nucleophilic attack is seen at less hindered primary position if one position is primary and other is secondary. This steric effect is also expected from SN2 process.

Answer 6

Chapter 14.12, Problem 25ATS

Interpretation Introduction

Interpretation:

The synthesis for the Ethylene glycol has to be done.

Concept Introduction:

The opening of Epoxide involves in two functional groups on adjacent Carbon atoms.

The important features of ring opening reactions are regiochemistry and stereochemistry.

1) Regiochemistry: The regiochemistry depends on the nature of Epoxide when the starting Epoxide is unsymmetrical.

2) Stereochemistry: Inversion of configuration is observed when nucleophilic attack is seen at less hindered primary position if one position is primary and other is secondary. This steric effect is also expected from SN2 process.

Answer 7

Chapter 14.12, Problem 25ATS

Interpretation Introduction

Interpretation:

The synthesis for the Ethylene glycol has to be done.

Concept Introduction:

The opening of Epoxide involves in two functional groups on adjacent Carbon atoms.

The important features of ring opening reactions are regiochemistry and stereochemistry.

1) Regiochemistry: The regiochemistry depends on the nature of Epoxide when the starting Epoxide is unsymmetrical.

2) Stereochemistry: Inversion of configuration is observed when nucleophilic attack is seen at less hindered primary position if one position is primary and other is secondary. This steric effect is also expected from SN2 process.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 14.2 - Prob. 1LTS Ch. 14.2 - Prob. 1PTS Ch. 14.2 - Prob. 2ATS Ch. 14.2 - Prob. 3ATS Ch. 14.4 - Prob. 4CC Ch. 14.5 - Prob. 2LTS Ch. 14.5 - Prob. 5PTS Ch. 14.5 - Prob. 6ATS Ch. 14.5 - Prob. 7ATS Ch. 14.5 - Prob. 8CC

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