Select more soluble compound in water out of each of the pair given. Give explanation. a) b) Propanal or pentanal c) Acetone or 2-pentanone Concept introduction: The ketones or aldehydes are soluble in water as they form hydrogen bonds with water while alkane doesn’t. More the number of carbonyl oxygen more the possibility of formation of hydrogen bond and hence higher the solubility in water. The solubility of carbonyl compounds decreases with increase in carbon chain length within same homologous series.

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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 14.2, Problem 14.15QAP

Interpretation Introduction

Interpretation: Select more soluble compound in water out of each of the pair given. Give explanation.

a)

b) Propanal or pentanal

c) Acetone or 2-pentanone

Concept introduction:

The ketones or aldehydes are soluble in water as they form hydrogen bonds with water while alkane doesn’t.

More the number of carbonyl oxygen more the possibility of formation of hydrogen bond and hence higher the solubility in water. The solubility of carbonyl compounds decreases with increase in carbon chain length within same homologous series.

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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 14.2, Problem 14.15QAP

Interpretation Introduction

Interpretation: Select more soluble compound in water out of each of the pair given. Give explanation.

a)

b) Propanal or pentanal

c) Acetone or 2-pentanone

Concept introduction:

The ketones or aldehydes are soluble in water as they form hydrogen bonds with water while alkane doesn’t.

More the number of carbonyl oxygen more the possibility of formation of hydrogen bond and hence higher the solubility in water. The solubility of carbonyl compounds decreases with increase in carbon chain length within same homologous series.

Expert Solution & Answer

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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 14.2, Problem 14.15QAP

Interpretation Introduction

Interpretation: Select more soluble compound in water out of each of the pair given. Give explanation.

a)

b) Propanal or pentanal

c) Acetone or 2-pentanone

Concept introduction:

The ketones or aldehydes are soluble in water as they form hydrogen bonds with water while alkane doesn’t.

More the number of carbonyl oxygen more the possibility of formation of hydrogen bond and hence higher the solubility in water. The solubility of carbonyl compounds decreases with increase in carbon chain length within same homologous series.

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 14.2, Problem 14.15QAP

Interpretation Introduction