Which of the following statements is NOT fals | vedclass

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Question

(C) Benzaldehyde does not contain $\alpha$-hydrogen atoms,so it does not undergo aldol condensation. It does not form an addition product with sodium

Vedclass · Accepted Answer

It gives Cannizzaro reaction.

Vedclass · Answer

(C) Benzaldehyde does not contain $\alpha$-hydrogen atoms,so it does not undergo aldol condensation. It does not form an addition product with sodium hydrogen sulfite due to steric hindrance. However,it gives the Cannizzaro reaction and reduces Tollen's reagent. The question asks for the statement that is '$NOT$ false' (i.e.,true). Both $A$ and $C$ are true,but in the context of standard multiple-choice questions,$C$ is the most characteristic reaction for benzaldehyde.

List-$I$	List-$II$
$A. \ C_6H_5NHNH_2$	$I. \ \text{Schiff base}$
$B. \ NH_2OH$	$II. \ \text{Hydrazone}$
$C. \ C_6H_5NH_2$	$III. \ \text{Oxime}$
	$IV. \ \text{Phenyl hydrazone}$

Which of the following statements is $NOT$ false for benzaldehyde?

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Write a note on the electrophilic substitution reaction of aromatic aldehydes and ketones.

The reaction of $5-$methylenecyclohex$-2-$enone with $2$ equivalents of $HBr$ yields which of the following products?

Match the following reagents with the products obtained when they react with a ketone.
List-$I$ List-$II$
$A. \ C_6H_5NHNH_2$ $I. \ \text{Schiff base}$
$B. \ NH_2OH$ $II. \ \text{Hydrazone}$
$C. \ C_6H_5NH_2$ $III. \ \text{Oxime}$
$IV. \ \text{Phenyl hydrazone}$

Correct answer is:

Which of the following reacts with methylmagnesium iodide to produce tert-butyl alcohol?

The reaction shown below is called:
$CH_3-CHO + 4[H] \xrightarrow{Zn-Hg / \text{conc. } HCl} CH_3-CH_3 + H_2O$

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