What products are formed from the acid-catalyzed hydrolysis of the following esters?
a.
b.

검증된 단계별 안내

Step 1: Recognize that acid-catalyzed hydrolysis of esters involves breaking the ester bond to form a carboxylic acid and an alcohol. The reaction typically proceeds via nucleophilic attack by water, facilitated by the acid catalyst.

Step 2: Analyze the given ester structure. The ester shown has a carbonyl group (C=O) attached to an ethyl group (CH3CH2O-) and a branched alkyl group (isopropyl group) on the other side of the carbonyl carbon.

Step 3: Identify the products of hydrolysis. The carbonyl carbon will form a carboxylic acid group (-COOH), while the ethyl group will form ethanol (CH3CH2OH) as the alcohol product.

Step 4: Write the chemical equation for the reaction. The ester reacts with water (H2O) in the presence of an acid catalyst to yield the carboxylic acid and alcohol. The general reaction is: RCOOR' + H2O → RCOOH + R'OH.

Step 5: For this specific ester, the products are isobutyric acid (2-methylpropanoic acid) and ethanol. The acid catalyst facilitates protonation of the carbonyl oxygen, making the carbonyl carbon more electrophilic and susceptible to nucleophilic attack by water.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

영상 길이:

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Acid-Catalyzed Hydrolysis

Acid-catalyzed hydrolysis is a reaction where an ester reacts with water in the presence of an acid catalyst, typically a strong acid like sulfuric acid. This process breaks the ester bond, resulting in the formation of an alcohol and a carboxylic acid. The acid catalyst increases the reaction rate by protonating the carbonyl oxygen, making the carbon more electrophilic and susceptible to nucleophilic attack by water.

Esters

Esters are organic compounds formed from the reaction of an alcohol and a carboxylic acid, characterized by the functional group -COO-. They are often responsible for the flavors and fragrances of fruits and flowers. Understanding the structure of esters is crucial for predicting the products of their hydrolysis, as the specific alcohol and acid components will determine the final products formed during the reaction.

Nucleophilic Attack

Nucleophilic attack is a fundamental concept in organic chemistry where a nucleophile, a species with a high electron density, attacks an electrophile, a species with a partial positive charge. In the context of acid-catalyzed hydrolysis of esters, water acts as the nucleophile that attacks the electrophilic carbon of the protonated ester. This step is critical for breaking the ester bond and forming the corresponding alcohol and carboxylic acid.

What products are formed from the acid-catalyzed hydrolysis of the following esters? a. b.