Aldehydes And Ketones Result Question 29
29. The Cannizzaro’s reaction is not given by
$(1983,1 M)$
(a) trimethyl acetaldehyde
(b) acetaldehyde
(c) benzaldehyde
(d) formaldehyde
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Answer:
Correct Answer: 29. ( b )
Solution:
- Aldehydes lacking presence of $\alpha-H$ undergo Cannizzaro reaction. When treated with aqueous base $CH_3 CHO $ does not undergo Cannizzaro reaction because it has $\alpha-H$ and in the presence of aqueous base it undergoes aldol condensation.
BETA
