Question

Which of the following gives lactic acid on treating with HCN followed by hydrolysis?

• A. $HCHO$
• B. $C{{H}_{3}}CHO$
• C. ${{C}_{6}}{{H}_{5}}CHO$
• D. $C{{H}_{3}}COC{{H}_{3}}$

Answer 1

Answer: (B)

$C{{H}_{3}}CHO$

Answer 2

Acetaldehyde gives lactic acid on treating with HCN, followed by hydrolysis.