Question

A mixture of benzaldehyde and formaldehyde on heating with aqueous NaOH solution gives
A. benzyl alcohol and sodium formate
B. sodium benzoate and methyl alcohol
C. sodium benzoate and sodium formate
D. benzyl alcohol and methyl alcohol.

Answer 1

Correct Answer - A
Crossed aldol reaction gives benzyl alcohol and sodium formate.
`underset("Benzaldehyde")(C_(6)H_(5)CHO)+underset("Formaldehyde")(HCHO)overset(NaOH(aq))rarrunderset("Benzyl alcohol")(C_(6)H_(5)CH_(2)OH)+underset("Sod. formate")(HCOONa)`