NEET2015Chemistry-Orgnaic chemistry

NEET 2015 Chemistry Enthalpy of Hydrogenation MCQ Question

Type: MCQ-conceptual-Hard-Class 11

Given: The enthalpy of hydrogenation of these compounds will be in the order as

Question diagram
A

I > II > III

B

III > II > I

C

II > III > I

D

II > I > III

Correct Answer

Option A

Detailed Explanation

The enthalpy of hydrogenation is inversely related to the stability of the compound. Compound I is the least stable due to the presence of more alkyl groups, making it more reactive.

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