Question

Which of the following compounds does not react with $NaHS{O}_3$ ?

• A. $C_6{H}_{5}CHO$
• B. Acetophenone
• C. Acetone
• D. Acetaldehyde

Answer 1

Answer: (B)

In general, ketones are less reactive than aldehydes and further aromatic ketones are even less reactive than aliphatic ketones.