A) methanal
B) phenyl methanal
C) 2, 2-dimethyl butanal
D) phenyl ethanol
Correct Answer: D
Solution :
Only those aldehydes in which \[\alpha -\]hydrogen atoms are not present, give Cannizaro reaction. The structure of the given compounds is [a] \[\underset{\begin{smallmatrix} \text{methanal} \\ (no\,\alpha -H) \end{smallmatrix}}{\mathop{HCHO}}\,\] [b] [c] [d] Thus, phenyl ethanal because of the presence of \[\alpha -H\]atoms, does not give Cannizaro reaction.You need to login to perform this action.
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