Q. Which one of the following on treatment with 50% aqueous sodium hydroxide yields the corresponding alcohol and acid?
A) C₆H₅CHO
B) CH₃CH₂CH₂CHO
C) CH₃COCH₃
D) C₆H₅CH₂CHO
Explanation
[Solution from source] The Cannizzaro reaction (disproportionation into alcohol and acid salt with concentrated alkali) needs an aldehyde with no α-hydrogen, such as benzaldehyde. Butanal and phenylacetaldehyde have α-H and undergo aldol condensation instead. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.