The reason as to why the acetals hydrolyze more rapidly than ordinary ethers is to be stated. Concept introduction: Ketones react with diols to form acetals. This reaction is generally used as a way of protecting the carbonyl group in reactions. The carbonyl group can be generated back by hydrolysis of the acetal. Aldehydes react with diols to form hemiacetals. The reaction takes place in the presence of an acid. The formation of acetals and hemiacetals is a type of nucleophilic substitution reaction.

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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, Problem 24.18P

Interpretation Introduction

Interpretation:

The reason as to why the acetals hydrolyze more rapidly than ordinary ethers is to be stated.

Concept introduction:

Ketones react with diols to form acetals. This reaction is generally used as a way of protecting the carbonyl group in reactions. The carbonyl group can be generated back by hydrolysis of the acetal.

Aldehydes react with diols to form hemiacetals. The reaction takes place in the presence of an acid.

The formation of acetals and hemiacetals is a type of nucleophilic substitution reaction.

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MISSED THIS? Read Section 19.9 (Pages 878-881); Watch IWE 19.10 Consider the following reaction: CH3OH(g) CO(g) + 2H2(g) (Note that AG,CH3OH(g) = -162.3 kJ/mol and AG,co(g)=-137.2 kJ/mol.) Part A Calculate AG for this reaction at 25 °C under the following conditions: PCH₂OH Pco PH2 0.815 atm = 0.140 atm 0.170 atm Express your answer in kilojoules to three significant figures. Ο ΑΣΦ AG = -150 Submit Previous Answers Request Answer □? kJ × Incorrect; Try Again; 2 attempts remaining Calculate the free energy change under nonstandard conditions (AGrxn) by using the following relationship: AGrxn = AGrxn + RTInQ, AGxn+RTInQ, where AGxn is the standard free energy change, R is the ideal gas constant, T is the temperature in kelvins, a is the reaction quotient. Provide Feedback Next >

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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, Problem 24.18P

Interpretation Introduction

Interpretation:

The reason as to why the acetals hydrolyze more rapidly than ordinary ethers is to be stated.

Concept introduction:

Ketones react with diols to form acetals. This reaction is generally used as a way of protecting the carbonyl group in reactions. The carbonyl group can be generated back by hydrolysis of the acetal.

Aldehydes react with diols to form hemiacetals. The reaction takes place in the presence of an acid.

The formation of acetals and hemiacetals is a type of nucleophilic substitution reaction.

Expert Solution & Answer

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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 24, Problem 24.18P

Interpretation Introduction

Interpretation:

The reason as to why the acetals hydrolyze more rapidly than ordinary ethers is to be stated.

Concept introduction:

Ketones react with diols to form acetals. This reaction is generally used as a way of protecting the carbonyl group in reactions. The carbonyl group can be generated back by hydrolysis of the acetal.

Aldehydes react with diols to form hemiacetals. The reaction takes place in the presence of an acid.

The formation of acetals and hemiacetals is a type of nucleophilic substitution reaction.

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, Problem 24.18P

Interpretation Introduction