Which dicarboxylic acid in presence of a dehydrating

Question:

Which dicarboxylic acid in presence of a dehydrating agent is least reactive to give an anhydride :


Correct Option: 4,

Solution:

Adipic acid $\mathrm{CO}_{2} \mathrm{H}-\left(\mathrm{CH}_{2}\right)_{4}-\mathrm{CO}_{2} \mathrm{H} \underset{\text { dehydrating }}{\stackrel{\text { agent }}{\longrightarrow}}$

7 membered cyclic anhydride (Very unstable)

Leave a comment

None
Free Study Material