Test SeriesFree PYQsExamsPricing

JEE Main Chemistry question

ChemistryAldehydes, Ketones and Carboxylic AcidsJEE Main

Which of the following diacids readily gives an anhydride on heating?

Answer: (B)

Solution

Formation of a cyclic anhydride on heating requires the two carboxyl groups to be positioned to allow a favourable 5- or 6-membered ring. Maleic acid, the cis (Z) isomer of butenedioic acid, has its two –COOH groups held close together by the cis double bond,

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-149313