(a) Interpretation: The hemiacetal which is formed when benzaldehyde (C 6 H 5 CHO) is treated with one equivalent of cyclohexanol should be determined. Concept introduction: Alcohol and ether groups are bound to the same carbon in a hemiacetal. A hemiacetal is resulted as an intermediate of the formation of acetal during the reaction between alcohol and aldehyde . Bezaldehyde is a cyclic aldehyde and cyclohexanol is a cyclic alcohol.

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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 16, Problem 66P

Interpretation Introduction

(a)

Interpretation:

The hemiacetal which is formed when benzaldehyde (C₆H₅CHO) is treated with one equivalent of cyclohexanol should be determined.

Concept introduction:

Alcohol and ether groups are bound to the same carbon in a hemiacetal. A hemiacetal is resulted as an intermediate of the formation of acetal during the reaction between alcohol and aldehyde. Bezaldehyde is a cyclic aldehyde and cyclohexanol is a cyclic alcohol.

Interpretation Introduction

(b)

Interpretation:

The acetal which is formed when benzaldehyde is reacted with two equivalents of cyclohexanol in the presence of H₂SO₄ should be determined.

Concept introduction:

When an aldehyde or a ketone is reacted with two equivalent alcohol molecules in the presence of H₂SO₄, an acetal is produced. In acetal formation, two alkoxy groups are bonded to the same carbon.

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Dexamethasone is a halogen-containing steroid used to treat infl ammation in rheumatoid arthritis and other conditions. (a) Classify the alkyl halide in dexamethasone as 1 °, 2 °, or 3 °. (b) Classify the hydroxyl groups as 1 °, 2 °, or 3 °.

Ethyl butyrate, CH3CH2CH2CO2CH2CH3, is an artificial fruit flavor commonly used in the food industry for such flavors as orange and pineapple. Its fragrance and taste are often associated with fresh orange juice, and thus it is most commonly used as orange flavoring.It can be produced by the reaction of butanoic acid with ethanol in the presence of an acid catalyst (H+): CH3CH2CH2CO2H(l)+CH2CH3OH(l)H+⟶CH3CH2CH2CO2CH2CH3(l)+H2O(l) a) Given 7.70 g of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100% yield? b) A chemist ran the reaction and obtained 5.25 g of ethyl butyrate. What was the percent yield? c) The chemist discovers a more efficient catalyst that can produce ethyl butyrate with a 78.0% yield. How many grams would be produced from 7.70 g of butanoic acid and excess ethanol?

Ethyl butyrate, CH3CH2CH2CO2CH2CH3, is an artificial fruit flavor commonly used in the food industry for such flavors as orange and pineapple. Its fragrance and taste are often associated with fresh orange juice, and thus it is most commonly used as orange flavoring.It can be produced by the reaction of butanoic acid with ethanol in the presence of an acid catalyst (H+): CH3CH2CH2CO2H(l)+CH2CH3OH(l)H+⟶CH3CH2CH2CO2CH2CH3(l)+H2O(l). The chemist discovers a more efficient catalyst that can produce ethyl butyrate with a 78.0% yield. How many grams would be produced from 8.50 gof butanoic acid and excess ethanol? Express your answer in grams to three significant figures.

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 16, Problem 66P

Interpretation Introduction

(a)

Interpretation:

The hemiacetal which is formed when benzaldehyde (C₆H₅CHO) is treated with one equivalent of cyclohexanol should be determined.

Concept introduction:

Alcohol and ether groups are bound to the same carbon in a hemiacetal. A hemiacetal is resulted as an intermediate of the formation of acetal during the reaction between alcohol and aldehyde. Bezaldehyde is a cyclic aldehyde and cyclohexanol is a cyclic alcohol.

Interpretation Introduction

(b)

Interpretation:

The acetal which is formed when benzaldehyde is reacted with two equivalents of cyclohexanol in the presence of H₂SO₄ should be determined.

Concept introduction:

When an aldehyde or a ketone is reacted with two equivalent alcohol molecules in the presence of H₂SO₄, an acetal is produced. In acetal formation, two alkoxy groups are bonded to the same carbon.

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Answer 3

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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 16, Problem 66P

Interpretation Introduction

(a)

Interpretation:

The hemiacetal which is formed when benzaldehyde (C₆H₅CHO) is treated with one equivalent of cyclohexanol should be determined.

Concept introduction:

Alcohol and ether groups are bound to the same carbon in a hemiacetal. A hemiacetal is resulted as an intermediate of the formation of acetal during the reaction between alcohol and aldehyde. Bezaldehyde is a cyclic aldehyde and cyclohexanol is a cyclic alcohol.

Interpretation Introduction

(b)

Interpretation:

The acetal which is formed when benzaldehyde is reacted with two equivalents of cyclohexanol in the presence of H₂SO₄ should be determined.

Concept introduction:

When an aldehyde or a ketone is reacted with two equivalent alcohol molecules in the presence of H₂SO₄, an acetal is produced. In acetal formation, two alkoxy groups are bonded to the same carbon.

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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 16, Problem 66P

Interpretation Introduction

(a)

Interpretation:

The hemiacetal which is formed when benzaldehyde (C₆H₅CHO) is treated with one equivalent of cyclohexanol should be determined.

Concept introduction:

Alcohol and ether groups are bound to the same carbon in a hemiacetal. A hemiacetal is resulted as an intermediate of the formation of acetal during the reaction between alcohol and aldehyde. Bezaldehyde is a cyclic aldehyde and cyclohexanol is a cyclic alcohol.

Interpretation Introduction

(b)

Interpretation:

The acetal which is formed when benzaldehyde is reacted with two equivalents of cyclohexanol in the presence of H₂SO₄ should be determined.

Concept introduction:

When an aldehyde or a ketone is reacted with two equivalent alcohol molecules in the presence of H₂SO₄, an acetal is produced. In acetal formation, two alkoxy groups are bonded to the same carbon.

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Answer 5

Chapter 16, Problem 66P

Interpretation Introduction

(a)

Interpretation:

The hemiacetal which is formed when benzaldehyde (C₆H₅CHO) is treated with one equivalent of cyclohexanol should be determined.

Concept introduction:

Alcohol and ether groups are bound to the same carbon in a hemiacetal. A hemiacetal is resulted as an intermediate of the formation of acetal during the reaction between alcohol and aldehyde. Bezaldehyde is a cyclic aldehyde and cyclohexanol is a cyclic alcohol.

Interpretation Introduction

(b)

Interpretation:

The acetal which is formed when benzaldehyde is reacted with two equivalents of cyclohexanol in the presence of H₂SO₄ should be determined.

Concept introduction:

When an aldehyde or a ketone is reacted with two equivalent alcohol molecules in the presence of H₂SO₄, an acetal is produced. In acetal formation, two alkoxy groups are bonded to the same carbon.

Answer 6

Chapter 16, Problem 66P

Interpretation Introduction

(a)

Interpretation:

The hemiacetal which is formed when benzaldehyde (C₆H₅CHO) is treated with one equivalent of cyclohexanol should be determined.

Concept introduction:

Alcohol and ether groups are bound to the same carbon in a hemiacetal. A hemiacetal is resulted as an intermediate of the formation of acetal during the reaction between alcohol and aldehyde. Bezaldehyde is a cyclic aldehyde and cyclohexanol is a cyclic alcohol.

Answer 7

Chapter 16, Problem 66P

Interpretation Introduction

(a)

Interpretation:

The hemiacetal which is formed when benzaldehyde (C₆H₅CHO) is treated with one equivalent of cyclohexanol should be determined.

Concept introduction:

Alcohol and ether groups are bound to the same carbon in a hemiacetal. A hemiacetal is resulted as an intermediate of the formation of acetal during the reaction between alcohol and aldehyde. Bezaldehyde is a cyclic aldehyde and cyclohexanol is a cyclic alcohol.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The acetal which is formed when benzaldehyde is reacted with two equivalents of cyclohexanol in the presence of H₂SO₄ should be determined.

Concept introduction:

When an aldehyde or a ketone is reacted with two equivalent alcohol molecules in the presence of H₂SO₄, an acetal is produced. In acetal formation, two alkoxy groups are bonded to the same carbon.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The acetal which is formed when benzaldehyde is reacted with two equivalents of cyclohexanol in the presence of H₂SO₄ should be determined.

Concept introduction:

When an aldehyde or a ketone is reacted with two equivalent alcohol molecules in the presence of H₂SO₄, an acetal is produced. In acetal formation, two alkoxy groups are bonded to the same carbon.

Answer 10

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Answer 12

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Answer 13

Ch. 16.1 - Prob. 16.1P Ch. 16.1 - Draw the structure of the three constitutional...Ch. 16.2 - Give the IUPAC name for each aldehyde. a. (...Ch. 16.2 - Give the structure corresponding to each TUPAC...Ch. 16.2 - Prob. 16.4P Ch. 16.2 - Prob. 16.2PP Ch. 16.2 - Give the structure corresponding to each name. a....Ch. 16.3 - Which compound in each pair has the higher boiling...Ch. 16.3 - Acetone and progesterone are two ketones that...Ch. 16.4 - Prob. 16.8P

Solution Summary: The author explains that a hemiacetal is formed when benzaldehyde is treated with one equivalent of cyclohexanol.

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