The number of stereoisomers has to be identified when the reaction of 2-pentanone with ethyl magnesium bromide followed by the addition of dilute acid. Concept introduction: The Grignard reaction: Alkyl, vinyl, or aryl-magnesium halides ( RMgX ) is called as Grignard reagent. Grignard reagent is reaction with carbonyl compound such as aldehyde or ketone , produces corresponding alcohol is the product and it is the one of the carbon – carbon bond forming reaction. Stereoisomers: Stereoisomers are molecules that have the same molecular formula and they differ only in arrangement of atom in three-dimensional space.

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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 12.5, Problem 10P

(a)

Interpretation Introduction

Interpretation:

The number of stereoisomers has to be identified when the reaction of 2-pentanone with ethyl magnesium bromide followed by the addition of dilute acid.

Concept introduction:

The Grignard reaction:

Alkyl, vinyl, or aryl-magnesium halides (RMgX) is called as Grignard reagent.

Grignard reagent is reaction with carbonyl compound such as aldehyde or ketone, produces corresponding alcohol is the product and it is the one of the carbon – carbon bond forming reaction.

Stereoisomers: Stereoisomers are molecules that have the same molecular formula and they differ only in arrangement of atom in three-dimensional space.

(b)

Interpretation Introduction

Interpretation:

The number of stereoisomers has to be identified when the reaction of 2-pentanone with methyl magnesium bromide followed by the addition of dilute acid.

Concept introduction:

The Grignard reaction:

Alkyl, vinyl, or aryl-magnesium halides (RMgX) is called as Grignard reagent.

Grignard reagent is reaction with carbonyl compound such as aldehyde or ketone, produces corresponding alcohol is the product and it is the one of the carbon – carbon bond forming reaction.

Stereoisomers: Stereoisomers are molecules that have the same molecular formula and they differ only in arrangement of atom in three-dimensional space.

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How many stereoisomers are obtained from the reaction of 2-pentanone with methylmagnesium bromide followed by the addition of dilute acid?

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 12.5, Problem 10P

(a)

Interpretation Introduction

Interpretation:

The number of stereoisomers has to be identified when the reaction of 2-pentanone with ethyl magnesium bromide followed by the addition of dilute acid.

Concept introduction:

The Grignard reaction:

Alkyl, vinyl, or aryl-magnesium halides (RMgX) is called as Grignard reagent.

Grignard reagent is reaction with carbonyl compound such as aldehyde or ketone, produces corresponding alcohol is the product and it is the one of the carbon – carbon bond forming reaction.

Stereoisomers: Stereoisomers are molecules that have the same molecular formula and they differ only in arrangement of atom in three-dimensional space.

(b)

Interpretation Introduction

Interpretation:

The number of stereoisomers has to be identified when the reaction of 2-pentanone with methyl magnesium bromide followed by the addition of dilute acid.

Concept introduction:

The Grignard reaction:

Alkyl, vinyl, or aryl-magnesium halides (RMgX) is called as Grignard reagent.

Grignard reagent is reaction with carbonyl compound such as aldehyde or ketone, produces corresponding alcohol is the product and it is the one of the carbon – carbon bond forming reaction.

Stereoisomers: Stereoisomers are molecules that have the same molecular formula and they differ only in arrangement of atom in three-dimensional space.

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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 12.5, Problem 10P

(a)

Interpretation Introduction

Interpretation:

The number of stereoisomers has to be identified when the reaction of 2-pentanone with ethyl magnesium bromide followed by the addition of dilute acid.

Concept introduction:

The Grignard reaction:

Alkyl, vinyl, or aryl-magnesium halides (RMgX) is called as Grignard reagent.

Grignard reagent is reaction with carbonyl compound such as aldehyde or ketone, produces corresponding alcohol is the product and it is the one of the carbon – carbon bond forming reaction.

Stereoisomers: Stereoisomers are molecules that have the same molecular formula and they differ only in arrangement of atom in three-dimensional space.

(b)

Interpretation Introduction

Interpretation:

The number of stereoisomers has to be identified when the reaction of 2-pentanone with methyl magnesium bromide followed by the addition of dilute acid.

Concept introduction:

The Grignard reaction:

Alkyl, vinyl, or aryl-magnesium halides (RMgX) is called as Grignard reagent.

Grignard reagent is reaction with carbonyl compound such as aldehyde or ketone, produces corresponding alcohol is the product and it is the one of the carbon – carbon bond forming reaction.

Stereoisomers: Stereoisomers are molecules that have the same molecular formula and they differ only in arrangement of atom in three-dimensional space.

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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 12.5, Problem 10P

(a)

Interpretation Introduction

Interpretation:

The number of stereoisomers has to be identified when the reaction of 2-pentanone with ethyl magnesium bromide followed by the addition of dilute acid.

Concept introduction:

The Grignard reaction:

Alkyl, vinyl, or aryl-magnesium halides (RMgX) is called as Grignard reagent.

Grignard reagent is reaction with carbonyl compound such as aldehyde or ketone, produces corresponding alcohol is the product and it is the one of the carbon – carbon bond forming reaction.

Stereoisomers: Stereoisomers are molecules that have the same molecular formula and they differ only in arrangement of atom in three-dimensional space.

(b)

Interpretation Introduction

Interpretation:

The number of stereoisomers has to be identified when the reaction of 2-pentanone with methyl magnesium bromide followed by the addition of dilute acid.

Concept introduction:

The Grignard reaction:

Alkyl, vinyl, or aryl-magnesium halides (RMgX) is called as Grignard reagent.

Grignard reagent is reaction with carbonyl compound such as aldehyde or ketone, produces corresponding alcohol is the product and it is the one of the carbon – carbon bond forming reaction.

Stereoisomers: Stereoisomers are molecules that have the same molecular formula and they differ only in arrangement of atom in three-dimensional space.

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Answer 5

Chapter 12.5, Problem 10P

(a)

Interpretation Introduction

Interpretation:

The number of stereoisomers has to be identified when the reaction of 2-pentanone with ethyl magnesium bromide followed by the addition of dilute acid.

Concept introduction:

The Grignard reaction:

Alkyl, vinyl, or aryl-magnesium halides (RMgX) is called as Grignard reagent.

Grignard reagent is reaction with carbonyl compound such as aldehyde or ketone, produces corresponding alcohol is the product and it is the one of the carbon – carbon bond forming reaction.

Stereoisomers: Stereoisomers are molecules that have the same molecular formula and they differ only in arrangement of atom in three-dimensional space.

(b)

Interpretation Introduction

Interpretation:

The number of stereoisomers has to be identified when the reaction of 2-pentanone with methyl magnesium bromide followed by the addition of dilute acid.

Concept introduction:

The Grignard reaction:

Alkyl, vinyl, or aryl-magnesium halides (RMgX) is called as Grignard reagent.

Grignard reagent is reaction with carbonyl compound such as aldehyde or ketone, produces corresponding alcohol is the product and it is the one of the carbon – carbon bond forming reaction.

Stereoisomers: Stereoisomers are molecules that have the same molecular formula and they differ only in arrangement of atom in three-dimensional space.

Answer 6

Chapter 12.5, Problem 10P

(a)

Interpretation Introduction

Interpretation:

The number of stereoisomers has to be identified when the reaction of 2-pentanone with ethyl magnesium bromide followed by the addition of dilute acid.

Concept introduction:

The Grignard reaction:

Alkyl, vinyl, or aryl-magnesium halides (RMgX) is called as Grignard reagent.

Grignard reagent is reaction with carbonyl compound such as aldehyde or ketone, produces corresponding alcohol is the product and it is the one of the carbon – carbon bond forming reaction.

Stereoisomers: Stereoisomers are molecules that have the same molecular formula and they differ only in arrangement of atom in three-dimensional space.

Answer 7

Chapter 12.5, Problem 10P

(a)

Interpretation Introduction

Interpretation:

The number of stereoisomers has to be identified when the reaction of 2-pentanone with ethyl magnesium bromide followed by the addition of dilute acid.

Concept introduction:

The Grignard reaction:

Alkyl, vinyl, or aryl-magnesium halides (RMgX) is called as Grignard reagent.

Grignard reagent is reaction with carbonyl compound such as aldehyde or ketone, produces corresponding alcohol is the product and it is the one of the carbon – carbon bond forming reaction.

Stereoisomers: Stereoisomers are molecules that have the same molecular formula and they differ only in arrangement of atom in three-dimensional space.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The number of stereoisomers has to be identified when the reaction of 2-pentanone with methyl magnesium bromide followed by the addition of dilute acid.

Concept introduction:

The Grignard reaction:

Alkyl, vinyl, or aryl-magnesium halides (RMgX) is called as Grignard reagent.

Grignard reagent is reaction with carbonyl compound such as aldehyde or ketone, produces corresponding alcohol is the product and it is the one of the carbon – carbon bond forming reaction.

Stereoisomers: Stereoisomers are molecules that have the same molecular formula and they differ only in arrangement of atom in three-dimensional space.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The number of stereoisomers has to be identified when the reaction of 2-pentanone with methyl magnesium bromide followed by the addition of dilute acid.

Concept introduction:

The Grignard reaction:

Alkyl, vinyl, or aryl-magnesium halides (RMgX) is called as Grignard reagent.

Grignard reagent is reaction with carbonyl compound such as aldehyde or ketone, produces corresponding alcohol is the product and it is the one of the carbon – carbon bond forming reaction.

Stereoisomers: Stereoisomers are molecules that have the same molecular formula and they differ only in arrangement of atom in three-dimensional space.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 12.1 - Prob. 1P Ch. 12.1 - Name the following compounds:Ch. 12.1 - Prob. 3P Ch. 12.1 - Prob. 4P Ch. 12.2 - Prob. 5P Ch. 12.4 - Draw the structure for each of the following: a....Ch. 12.4 - Prob. 7P Ch. 12.5 - What products are formed when the following...Ch. 12.5 - Prob. 9P Ch. 12.5 - Prob. 10P

Solution Summary: The author explains that the number of stereoisomers is identified when the reaction of 2-pentanone with ethyl magnesium bromide followed by the addition of dilute acid.

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