For the given compound, the two possible rings formed by attacks of –OH groups to carbonyl group and the favored ring from two possible rings are needed be drawn. Concept introduction: Hemiacetal are formed for the compound having both hydroxyl group and aldehyde group in acidic condition. The –OH group of compound attacks the carbonyl group of the same compound, thereby a ring is formed by the carbon atoms and oxygen atom of –OH group with incorporating into the ring. The stabilities of the ring molecules are depending upon the bond angle. Six membered ring is more stable than five membered ring, because the ring stain of six membered ring is lesser than the five membered ring due to the larger bond angle. To draw: the two possible hemiacetal formed for the given molecule in acidic condition.

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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 24.5, Problem 11ATS

(a)

Interpretation Introduction

Interpretation:

For the given compound, the two possible rings formed by attacks of –OH groups to carbonyl group and the favored ring from two possible rings are needed be drawn.

Concept introduction:

Hemiacetal are formed for the compound having both hydroxyl group and aldehyde group in acidic condition.

The –OH group of compound attacks the carbonyl group of the same compound, thereby a ring is formed by the carbon atoms and oxygen atom of –OH group with incorporating into the ring.

The stabilities of the ring molecules are depending upon the bond angle. Six membered ring is more stable than five membered ring, because the ring stain of six membered ring is lesser than the five membered ring due to the larger bond angle.

To draw: the two possible hemiacetal formed for the given molecule in acidic condition.

(b)

Interpretation Introduction

Interpretation:

For the given compound, the two possible rings formed by attacks of –OH groups to carbonyl group and the favored ring from two possible rings are needed be drawn.

Concept introduction:

Hemiacetal are formed for the compound having both hydroxyl group and aldehyde group in acidic condition.

The –OH group of compound attacks the carbonyl group of the same compound, thereby a ring is formed by the carbon atoms and oxygen atom of –OH group with incorporating into the ring.

The stabilities of the ring molecules are depending upon the bond angle. Six membered ring is more stable than five membered ring, because the ring stain of six membered ring is lesser than the five membered ring due to the larger bond angle.

To determine: the favored hemiacetal from two possible hemiacetals.

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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 24.5, Problem 11ATS

(a)

Interpretation Introduction

Interpretation:

For the given compound, the two possible rings formed by attacks of –OH groups to carbonyl group and the favored ring from two possible rings are needed be drawn.

Concept introduction:

Hemiacetal are formed for the compound having both hydroxyl group and aldehyde group in acidic condition.

The –OH group of compound attacks the carbonyl group of the same compound, thereby a ring is formed by the carbon atoms and oxygen atom of –OH group with incorporating into the ring.

The stabilities of the ring molecules are depending upon the bond angle. Six membered ring is more stable than five membered ring, because the ring stain of six membered ring is lesser than the five membered ring due to the larger bond angle.

To draw: the two possible hemiacetal formed for the given molecule in acidic condition.

(b)

Interpretation Introduction

Interpretation:

For the given compound, the two possible rings formed by attacks of –OH groups to carbonyl group and the favored ring from two possible rings are needed be drawn.

Concept introduction:

Hemiacetal are formed for the compound having both hydroxyl group and aldehyde group in acidic condition.

The –OH group of compound attacks the carbonyl group of the same compound, thereby a ring is formed by the carbon atoms and oxygen atom of –OH group with incorporating into the ring.

The stabilities of the ring molecules are depending upon the bond angle. Six membered ring is more stable than five membered ring, because the ring stain of six membered ring is lesser than the five membered ring due to the larger bond angle.

To determine: the favored hemiacetal from two possible hemiacetals.

Expert Solution & Answer

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Check out a sample textbook solution

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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 24.5, Problem 11ATS

(a)

Interpretation Introduction

Interpretation:

For the given compound, the two possible rings formed by attacks of –OH groups to carbonyl group and the favored ring from two possible rings are needed be drawn.

Concept introduction:

Hemiacetal are formed for the compound having both hydroxyl group and aldehyde group in acidic condition.

The –OH group of compound attacks the carbonyl group of the same compound, thereby a ring is formed by the carbon atoms and oxygen atom of –OH group with incorporating into the ring.

The stabilities of the ring molecules are depending upon the bond angle. Six membered ring is more stable than five membered ring, because the ring stain of six membered ring is lesser than the five membered ring due to the larger bond angle.

To draw: the two possible hemiacetal formed for the given molecule in acidic condition.

(b)

Interpretation Introduction

Interpretation:

For the given compound, the two possible rings formed by attacks of –OH groups to carbonyl group and the favored ring from two possible rings are needed be drawn.

Concept introduction:

Hemiacetal are formed for the compound having both hydroxyl group and aldehyde group in acidic condition.

The –OH group of compound attacks the carbonyl group of the same compound, thereby a ring is formed by the carbon atoms and oxygen atom of –OH group with incorporating into the ring.

The stabilities of the ring molecules are depending upon the bond angle. Six membered ring is more stable than five membered ring, because the ring stain of six membered ring is lesser than the five membered ring due to the larger bond angle.

To determine: the favored hemiacetal from two possible hemiacetals.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

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 24.5, Problem 11ATS

(a)

Interpretation Introduction