Question

Which of the following compounds does not react with $NaHSO_{3}$?

• A. $HCHO$
• B. $C_{6}H_{5}COCH_{3}$
• C. $CH_{3}COCH_{3}$
• D. $CH_{3}CHO$

Answer 1

Answer: (B)

$C_{6}H_{5}COCH_{3}$

Answer 2

Aromatic ketones are less reactive than aliphatic ketones which in turn are less reactive than aldehydes. Hence, acetophenone does not react with $NaHSO _{3}$.