The equation for the addition reaction of propanone with one molecule of ethanol has to be written. Concept Introduction: Addition reaction of one molecule of alcohol with an aldehyde or ketone gives a hemiacetal. Hemiacetal is characterized by a carbon, which is bonded to one hydroxyl group ( -OH ) and one alkoxy group ( -OR ) . Hemiacetals are unstable. In the presence of acid and excess alcohol, they undergo a substitution reaction in which the -OH group of the hemiacetal is exchange for another -OR group from the alcohol. The product formed is called as acetal. A carbon bonded to two alkoxy groups ( -OR ) is the called as acetal. A general reaction representing the addition of one alcohol molecule to an aldehyde or a ketone is,

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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 13, Problem 13.70QP

(a)

Interpretation Introduction

Interpretation:

The equation for the addition reaction of propanone with one molecule of ethanol has to be written.

Concept Introduction:

Addition reaction of one molecule of alcohol with an aldehyde or ketone gives a hemiacetal.

Hemiacetal is characterized by a carbon, which is bonded to one hydroxyl group (-OH) and one alkoxy group (-OR).

Hemiacetals are unstable. In the presence of acid and excess alcohol, they undergo a substitution reaction in which the -OH group of the hemiacetal is exchange for another -OR group from the alcohol. The product formed is called as acetal. A carbon bonded to two alkoxy groups (-OR) is the called as acetal.

A general reaction representing the addition of one alcohol molecule to an aldehyde or a ketone is,

(b)

Interpretation Introduction

Interpretation:

The equation for the addition reaction of 2-pentanone with one molecule of ethanol has to be written.

Concept Introduction:

Refer to part (a).

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Part II. xiao isolated a compound TAD (Ca H 10 N₂) from tobacco and obtained its IR spectrum. Xiao proposed a chemical structure shown below: % Transmittance 4000 3500 3000 2500 2000 Wavenumber (cm-1) 1500 1000 (a) Explain why her proposed structure is inconsistent with the IR spectrum obtained (b) TAD exists as a tautomer of the structure xiao proposed. Draw the structure and explain why it is more compatible with the obtained spectrum. (C) what is the possible source for the fairly intense signal at 1621cm1

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Answer 2

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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 13, Problem 13.70QP

(a)

Interpretation Introduction

Interpretation:

The equation for the addition reaction of propanone with one molecule of ethanol has to be written.

Concept Introduction:

Addition reaction of one molecule of alcohol with an aldehyde or ketone gives a hemiacetal.

Hemiacetal is characterized by a carbon, which is bonded to one hydroxyl group (-OH) and one alkoxy group (-OR).

Hemiacetals are unstable. In the presence of acid and excess alcohol, they undergo a substitution reaction in which the -OH group of the hemiacetal is exchange for another -OR group from the alcohol. The product formed is called as acetal. A carbon bonded to two alkoxy groups (-OR) is the called as acetal.

A general reaction representing the addition of one alcohol molecule to an aldehyde or a ketone is,

(b)

Interpretation Introduction

Interpretation:

The equation for the addition reaction of 2-pentanone with one molecule of ethanol has to be written.

Concept Introduction:

Refer to part (a).

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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 13, Problem 13.70QP

(a)

Interpretation Introduction

Interpretation:

The equation for the addition reaction of propanone with one molecule of ethanol has to be written.

Concept Introduction:

Addition reaction of one molecule of alcohol with an aldehyde or ketone gives a hemiacetal.

Hemiacetal is characterized by a carbon, which is bonded to one hydroxyl group (-OH) and one alkoxy group (-OR).

Hemiacetals are unstable. In the presence of acid and excess alcohol, they undergo a substitution reaction in which the -OH group of the hemiacetal is exchange for another -OR group from the alcohol. The product formed is called as acetal. A carbon bonded to two alkoxy groups (-OR) is the called as acetal.

A general reaction representing the addition of one alcohol molecule to an aldehyde or a ketone is,

(b)

Interpretation Introduction

Interpretation:

The equation for the addition reaction of 2-pentanone with one molecule of ethanol has to be written.

Concept Introduction:

Refer to part (a).

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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 13, Problem 13.70QP

(a)

Interpretation Introduction

Interpretation:

The equation for the addition reaction of propanone with one molecule of ethanol has to be written.

Concept Introduction:

Addition reaction of one molecule of alcohol with an aldehyde or ketone gives a hemiacetal.

Hemiacetal is characterized by a carbon, which is bonded to one hydroxyl group (-OH) and one alkoxy group (-OR).

Hemiacetals are unstable. In the presence of acid and excess alcohol, they undergo a substitution reaction in which the -OH group of the hemiacetal is exchange for another -OR group from the alcohol. The product formed is called as acetal. A carbon bonded to two alkoxy groups (-OR) is the called as acetal.

A general reaction representing the addition of one alcohol molecule to an aldehyde or a ketone is,

(b)

Interpretation Introduction

Interpretation:

The equation for the addition reaction of 2-pentanone with one molecule of ethanol has to be written.

Concept Introduction:

Refer to part (a).

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Answer 5

Chapter 13, Problem 13.70QP

(a)

Interpretation Introduction

Interpretation:

The equation for the addition reaction of propanone with one molecule of ethanol has to be written.

Concept Introduction:

Addition reaction of one molecule of alcohol with an aldehyde or ketone gives a hemiacetal.

Hemiacetal is characterized by a carbon, which is bonded to one hydroxyl group (-OH) and one alkoxy group (-OR).

Hemiacetals are unstable. In the presence of acid and excess alcohol, they undergo a substitution reaction in which the -OH group of the hemiacetal is exchange for another -OR group from the alcohol. The product formed is called as acetal. A carbon bonded to two alkoxy groups (-OR) is the called as acetal.

A general reaction representing the addition of one alcohol molecule to an aldehyde or a ketone is,

(b)

Interpretation Introduction

Interpretation:

The equation for the addition reaction of 2-pentanone with one molecule of ethanol has to be written.

Concept Introduction:

Refer to part (a).

Answer 6

Chapter 13, Problem 13.70QP

(a)

Interpretation Introduction

Interpretation:

The equation for the addition reaction of propanone with one molecule of ethanol has to be written.

Concept Introduction:

Addition reaction of one molecule of alcohol with an aldehyde or ketone gives a hemiacetal.

Hemiacetal is characterized by a carbon, which is bonded to one hydroxyl group (-OH) and one alkoxy group (-OR).

Hemiacetals are unstable. In the presence of acid and excess alcohol, they undergo a substitution reaction in which the -OH group of the hemiacetal is exchange for another -OR group from the alcohol. The product formed is called as acetal. A carbon bonded to two alkoxy groups (-OR) is the called as acetal.

A general reaction representing the addition of one alcohol molecule to an aldehyde or a ketone is,

Answer 7

Chapter 13, Problem 13.70QP

(a)

Interpretation Introduction

Interpretation:

The equation for the addition reaction of propanone with one molecule of ethanol has to be written.

Concept Introduction:

Addition reaction of one molecule of alcohol with an aldehyde or ketone gives a hemiacetal.

Hemiacetal is characterized by a carbon, which is bonded to one hydroxyl group (-OH) and one alkoxy group (-OR).

Hemiacetals are unstable. In the presence of acid and excess alcohol, they undergo a substitution reaction in which the -OH group of the hemiacetal is exchange for another -OR group from the alcohol. The product formed is called as acetal. A carbon bonded to two alkoxy groups (-OR) is the called as acetal.

A general reaction representing the addition of one alcohol molecule to an aldehyde or a ketone is,

Answer 8

(b)

Interpretation Introduction

Interpretation:

The equation for the addition reaction of 2-pentanone with one molecule of ethanol has to be written.

Concept Introduction:

Refer to part (a).

Answer 9

(b)

Interpretation Introduction

Interpretation:

The equation for the addition reaction of 2-pentanone with one molecule of ethanol has to be written.

Concept Introduction:

Refer to part (a).

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 13.1 - Which member in each of the following pairs will...Ch. 13.1 - Which member in each of the following pairs will...Ch. 13.1 - Prob. 13.3Q Ch. 13.1 - Prob. 13.4Q Ch. 13.2 - Prob. 13.1PP Ch. 13.2 - Prob. 13.2PP Ch. 13.2 - Prob. 13.3PP Ch. 13.2 - Prob. 13.4PP Ch. 13.2 - Prob. 13.5Q Ch. 13.2 - Write the condensed formula for each of the...

Interpretation: The equation for the addition reaction of 2-pentanone with one molecule of ethanol has to be written. Concept Introduction: Refer to part (a).

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Chapter 13 Solutions

Interpretation:

The equation for the addition reaction of 2-pentanone with one molecule of ethanol has to be written.

Concept Introduction:

Refer to part (a).