The major product of indicated reaction should be written. Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below. Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below. Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol.

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Answer 1

Question

Chapter 8, Problem 43P

(a)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol.

(b)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol.

(c)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

(d)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol. The mechanistic pathway for the latter reaction is as follows:

The polar carbonyl bond breaks and the polar Grignard reagent attack at electron-deficient carbon. Finally with the hydrolysis and work up the alcohol is formed.

(e)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol. The mechanistic pathway for the latter reaction is as follows:

The polar carbonyl bond breaks and the polar Grignard reagent attack at electron-deficient carbon. Finally with the hydrolysis and work up the alcohol is formed.

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SYNTHESIS REACTIONS. For the following reactions, synthesize the given products from the given reactants. Multiple reactions/steps will be needed. For the one of the steps (ie reactions) in each synthesis, write out the mechanism for that reaction and draw an energy diagram showing the correct number of hills and valleys for that step's mechanism. CI b. a. Use acetylene (ethyne) and any alkyl halide as your starting materials Br C. d. "OH OH III. OH

Calculate the pH and the pOH of each of the following solutions at 25 °C for which the substances ionize completely: (a) 0.200 M HCl

Answer 2

Question

Chapter 8, Problem 43P

(a)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol.

(b)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol.

(c)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

(d)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol. The mechanistic pathway for the latter reaction is as follows:

The polar carbonyl bond breaks and the polar Grignard reagent attack at electron-deficient carbon. Finally with the hydrolysis and work up the alcohol is formed.

(e)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol. The mechanistic pathway for the latter reaction is as follows:

The polar carbonyl bond breaks and the polar Grignard reagent attack at electron-deficient carbon. Finally with the hydrolysis and work up the alcohol is formed.

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Answer 3

Question

Chapter 8, Problem 43P

(a)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol.

(b)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol.

(c)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

(d)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol. The mechanistic pathway for the latter reaction is as follows:

The polar carbonyl bond breaks and the polar Grignard reagent attack at electron-deficient carbon. Finally with the hydrolysis and work up the alcohol is formed.

(e)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol. The mechanistic pathway for the latter reaction is as follows:

The polar carbonyl bond breaks and the polar Grignard reagent attack at electron-deficient carbon. Finally with the hydrolysis and work up the alcohol is formed.

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Answer 4

Question

Chapter 8, Problem 43P

(a)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol.

(b)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol.

(c)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

(d)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol. The mechanistic pathway for the latter reaction is as follows:

The polar carbonyl bond breaks and the polar Grignard reagent attack at electron-deficient carbon. Finally with the hydrolysis and work up the alcohol is formed.

(e)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol. The mechanistic pathway for the latter reaction is as follows:

The polar carbonyl bond breaks and the polar Grignard reagent attack at electron-deficient carbon. Finally with the hydrolysis and work up the alcohol is formed.

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Answer 5

Chapter 8, Problem 43P

(a)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol.

(b)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol.

(c)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

(d)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol. The mechanistic pathway for the latter reaction is as follows:

The polar carbonyl bond breaks and the polar Grignard reagent attack at electron-deficient carbon. Finally with the hydrolysis and work up the alcohol is formed.

(e)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol. The mechanistic pathway for the latter reaction is as follows:

The polar carbonyl bond breaks and the polar Grignard reagent attack at electron-deficient carbon. Finally with the hydrolysis and work up the alcohol is formed.

Answer 6

Chapter 8, Problem 43P

(a)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol.

Answer 7

Chapter 8, Problem 43P

(a)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol.

Answer 8

(b)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol.

Answer 9

(b)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol.

Answer 10

(c)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Answer 11

(c)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Answer 12

(d)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol. The mechanistic pathway for the latter reaction is as follows:

The polar carbonyl bond breaks and the polar Grignard reagent attack at electron-deficient carbon. Finally with the hydrolysis and work up the alcohol is formed.

Answer 13

(d)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol. The mechanistic pathway for the latter reaction is as follows:

The polar carbonyl bond breaks and the polar Grignard reagent attack at electron-deficient carbon. Finally with the hydrolysis and work up the alcohol is formed.

Answer 14

(e)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol. The mechanistic pathway for the latter reaction is as follows:

The polar carbonyl bond breaks and the polar Grignard reagent attack at electron-deficient carbon. Finally with the hydrolysis and work up the alcohol is formed.

Answer 15

(e)

Interpretation Introduction

Interpretation: The major product of indicated reaction should be written.

Concept introduction: The carbonyl bond is polar with the partial positive charge on carbon and partial negative charge on oxygen as illustrated below.

Grignard reagents are alkyl magnesium halides obtained from treatment of haloalkane with magnesium in presence of dried ether conditions. This reagent is useful precursor for quick synthesis of variety of organic compounds For example, the reaction of Grignard reagent with aldehyde or ketone generates alcohol as illustrated below.

Methyl bromide reacts with magnesium ether to give Grignard reagent. This Grignard methyl magnesium bromide on treatment with formaldehyde gives corresponding alcohol. The mechanistic pathway for the latter reaction is as follows:

The polar carbonyl bond breaks and the polar Grignard reagent attack at electron-deficient carbon. Finally with the hydrolysis and work up the alcohol is formed.

Answer 16

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Answer 17

Expert Solution & Answer

Answer 18

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Answer 19

Ch. 8.1 - Prob. 8.1E Ch. 8.1 - Prob. 8.2E Ch. 8.3 - Prob. 8.4TIY Ch. 8.3 - Prob. 8.5E Ch. 8.3 - Prob. 8.6E Ch. 8.4 - Prob. 8.7E Ch. 8.5 - Prob. 8.8E Ch. 8.5 - Prob. 8.9E Ch. 8.5 - Prob. 8.10E Ch. 8.5 - Prob. 8.11E

Solution Summary: The author explains that the major product of indicated reaction should be written. Grignard reagents are alkyl magnesium halides obtained from treatment with aldehyde.

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Chapter 8 Solutions