Q. The correct formula of the product of reaction between $\phi CHO$ and propanoic anhydride in presence of sodium propionate is
A) $\phi - CH = CHCH_{2}COOH$
B) $\phi CH = CH - CH_{2}COOC_{2}H_{5}$
C) [image:12_image58.emf]
D) [image:12_image59.emf]
Explanation
(c)
Benzaldehyde condenses with propanoic anhydride to yield $\alpha,\beta$- unsaturated acids in the presence of catalytic amount of sodium propionate
[image:12_image511.emf]
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.