Assertion (A) Benzaldehyde on heating with concentrated alkali give α, β-unsaturated carbonyl compound. Reason (R) Benzaldehyde do not have an H-atom.

Question

Assertion (A) Benzaldehyde on heating with concentrated alkali give α, β-unsaturated carbonyl compound. Reason (R) Benzaldehyde do not have an H-atom. (A) Both A and R are correct; and R is the correct explanation of A. (B) Both A and R are correct; but R is not the correct explanation of A. (C) A is correct ; but R is incorrect. (D) R is correct ; but A is incorrect.

Tardigrade Admin · Accepted Answer

<img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/7c67fce6f2e8f285775ec9dce4c3a1cd-.png" /> Benzaldehyde does not have α-hydrogen. On reaction with alkali it undergoes Cannizzaro reaction.

Q. Assertion (A) Benzaldehyde on heating with concentrated alkali give $α, β$ -unsaturated carbonyl compound.
Reason (R) Benzaldehyde do not have an H-atom.

Both $A$ and $R$ are correct; and $R$ is the correct explanation of $A$ .

Both $A$ and $R$ are correct; but $R$ is not the correct explanation of $A$ .

$A$ is correct ; but $R$ is incorrect.

$R$ is correct ; but $A$ is incorrect.

Benzaldehyde does not have $α$ -hydrogen. On reaction with alkali it undergoes Cannizzaro reaction.

Q. Assertion (A) Benzaldehyde on heating with concentrated alkali give α,β-unsaturated carbonyl compound. Reason (R) Benzaldehyde do not have an H-atom.

Both A and R are correct; and R is the correct explanation of A.

Both A and R are correct; but R is not the correct explanation of A.

A is correct ; but R is incorrect.

R is correct ; but A is incorrect.