The products for the given reactions are to be predicted. Concept introduction: Grignard reagent reactions with carbonyl groups are treated as acid base reactions. The reaction of Grignard reagents with carbonyl groups yields secondary and tertiary alcohols as their products. These reactions are a two-step reaction. In first step, nucleophilic addition of carbonyl group takes place because Grignard reagent being nucleophilic uses its lone pair of electrons to form a bond with a carbon atom. This results in the formation of an alkoxide ion which remains associated with M g 2 + and X − . In the second step, addition of aqueous HX causes the protonation of the alkoxide ion which leads to the formation of the alcohol and M g X 2 .

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Answer 1

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 12, Problem 14P

Interpretation Introduction

Interpretation:

The products for the given reactions are to be predicted.

Concept introduction:

Grignard reagent reactions with carbonyl groups are treated as acid base reactions.

The reaction of Grignard reagents with carbonyl groups yields secondary and tertiary alcohols as their products. These reactions are a two-step reaction. In first step, nucleophilic addition of carbonyl group takes place because Grignard reagent being nucleophilic uses its lone pair of electrons to form a bond with a carbon atom. This results in the formation of an alkoxide ion which remains associated with Mg2+ and X−.

In the second step, addition of aqueous HX causes the protonation of the alkoxide ion which leads to the formation of the alcohol and MgX2 .

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Answer 2

Question

Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 12, Problem 14P

Interpretation Introduction

Interpretation:

The products for the given reactions are to be predicted.

Concept introduction:

Grignard reagent reactions with carbonyl groups are treated as acid base reactions.

The reaction of Grignard reagents with carbonyl groups yields secondary and tertiary alcohols as their products. These reactions are a two-step reaction. In first step, nucleophilic addition of carbonyl group takes place because Grignard reagent being nucleophilic uses its lone pair of electrons to form a bond with a carbon atom. This results in the formation of an alkoxide ion which remains associated with Mg2+ and X−.

In the second step, addition of aqueous HX causes the protonation of the alkoxide ion which leads to the formation of the alcohol and MgX2 .

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Answer 3

Question

Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 12, Problem 14P

Interpretation Introduction

Interpretation:

The products for the given reactions are to be predicted.

Concept introduction:

Grignard reagent reactions with carbonyl groups are treated as acid base reactions.

The reaction of Grignard reagents with carbonyl groups yields secondary and tertiary alcohols as their products. These reactions are a two-step reaction. In first step, nucleophilic addition of carbonyl group takes place because Grignard reagent being nucleophilic uses its lone pair of electrons to form a bond with a carbon atom. This results in the formation of an alkoxide ion which remains associated with Mg2+ and X−.

In the second step, addition of aqueous HX causes the protonation of the alkoxide ion which leads to the formation of the alcohol and MgX2 .

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Answer 4

Question

Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 12, Problem 14P

Interpretation Introduction