Chemistry - Carboxylic acid and their Derivatives Question with Solution | TestHub

ChemistryCarboxylic acid and their DerivativesHEATING EFFECTMedium2 minQB
ChemistryMediumnumerical

Among the following, how many acids will undergoes decarboxylation on heating ?

(i) Maleic acid (ii) Malonic acid (iii) Mellitic acid

Answer:
2.00
Solution:

Malonic acid and the beta-keto acid acetoacetic acid (v) decarboxylate on heating through six-membered transition states. The gamma-keto acid (iv) lacks the beta-keto arrangement. Maleic and phthalic acids instead favour anhydride formation; mellitic acid is not counted in this ordinary thermal-decarboxylation set. Total 2.

Subject:ChemistryTopic:Carboxylic acid and their DerivativesSubtopic:HEATING EFFECT
⏱ 2mℹ️ Source: QB

Doubts & Discussion

Loading discussions...