Statement I: Acidity of -hydrogens of aldehydes and ketones is responsible for Aldol reaction.

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Q.
Given below are two statements: [2024]

Statement I: Acidity of $α$ -hydrogens of aldehydes and ketones is responsible for Aldol reaction.

Statement II: Reaction between benzaldehyde and ethanal will NOT give Cross – Aldol product.

In the light of the above statements, choose the most appropriate answer from the options given below.

[Aldol Condensation Reaction]

1 Statement I is incorrect but Statement II is correct.

2 Statement I is correct but Statement II is incorrect.

3 Both Statement I and Statement II are correct.

4 Both Statement I and Statement II are incorrect.

Ans.
(2)

Aldol condensation is because of acidic character of alpha hydrogen of aldehydes and ketones. Ethanal and benzaldehyde give cross aldol product as follows:

Solution

1 Statement I is incorrect but Statement II is correct.

2 Statement I is correct but Statement II is incorrect.

3 Both Statement I and Statement II are correct.

4 Both Statement I and Statement II are incorrect.

Ans.
(2)

Aldol condensation is because of acidic character of alpha hydrogen of aldehydes and ketones. Ethanal and benzaldehyde give cross aldol product as follows:

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Solution

1 Statement I is incorrect but Statement II is correct.

2 Statement I is correct but Statement II is incorrect.

3 Both Statement I and Statement II are correct.

4 Both Statement I and Statement II are incorrect.

Ans. (2) Aldol condensation is because of acidic character of alpha hydrogen of aldehydes and ketones. Ethanal and benzaldehyde give cross aldol product as follows:

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Ans.
(2)

Aldol condensation is because of acidic character of alpha hydrogen of aldehydes and ketones. Ethanal and benzaldehyde give cross aldol product as follows: