Aldehydes Ketones Question 224
Question: The most reactive compound towards formation of cyanohydrin on treatment with KCN followed by acidification is
[GATE 2001]
Options:
A) Benzaldehyde
B) p-Nitrobenzaldehyde
C) Phenyl acetaldehyde
D) p-Hydroxybenzaldehyde
Show Answer
Answer:
Correct Answer: B
Solution:
Due to electron withdrawing nature of $ NO_2 $ group, the partial +ve charge on the carbon atom of the $ >C=O $ group in p-nitrobenzaldehyde increases and hence becomes more susceptible to nucleophilic attack by $ C{N^{-}} $ ion.
BETA
