Q. Cyanohydrin of which of the following forms lactic acid?
A) $HCHO$
B) $CH_{3}COCH_{3}$
C) $CH_{3}CHO$
D) $CH_{3}CH_{2}CHO$
Explanation
(c)
Carbonyl compound + $HCN \rightarrow$cyanohydrin$\overset{\ \ \ H_{2}O/H^{+}\ }{\rightarrow}$hydroxy acid
Latic acid is
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$\therefore$ Cyanohydrin of acetaldehyde forms lactic acid.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.