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Q.
Concentrated $ NaOH $ and benzaldehyde react to produce
Punjab PMETPunjab PMET 2001Aldehydes Ketones and Carboxylic Acids
Solution:
Concentrated $ NaOH $ and benzaldehyde react to produce benzyl alcohol and sodium benzoate
$C_{6}H_{5}CHO+C_{6}H_{5}CHO \xrightarrow{NaOH}\underset{\text{Benzyl alcohal}}{C_6H_5CH_2OH} +\underset{\text{Sodium benzoate}}{C_6H_5COONa}$
This is Cannizzaros reaction.