Question

What will be the product when benzaldehyde is treated with NaOD in $D_{2}O$ ?

• A. $C_{6}H_{5}CH_{2}OD$ and $C_{6}H_{5}COONa$
• B. $C_{6}H_{5}CH_{2}OD$ and $C_{6}H_{5}COOD$
• C. $C_{6}H_{5}CHDOD$ and $C_{6}H_{5}COONa$
• D. $C_{6}H_{5}COOCHDC_{6}H_{5}$

Answer 1

Answer: (A)

Benzaldehyde on teatment with 50% aqueous or ethanolic alkali solution undergoes Cannizzaro reaction i.e., one molecule is oxidised and one is reduced.