Q. Complete the following reaction $RCOOH\underset{\mathrm{\Delta}}{\overset{{\ \ \ \ \ P}_{2}O_{5}\ \ \ \ }{\rightarrow}}$?

A) Acid anhydride
B) Ketone
C) Aldehyde
D) Ester
Explanation

(a)
$P_{2}O_{5}$ is dehydrating agent, hence acid gives anhydrides on dehydration by $P_{2}O_{5}$.
$2RCOOH\underset{- H_{2}O}{\overset{{\ \ \ \ \ P}_{2}O_{5\ }\ \ \ \ \ \ }{\rightarrow}}(RCO)_{2}O$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.