Chemistry-Activation Energy

NEET Chemistry Activation Energy MCQ Question

Type: MCQ-diagram based-Medium-Class 12

Consider a potential energy diagram where the y-axis represents potential energy and the x-axis represents the reaction coordinate for the formation of HI from H2 and I2. Which point on the diagram corresponds to the activation energy of the reaction?

Question diagram
A

The peak of the curve representing the transition state

B

The starting point of the curve representing the reactants

C

The end point of the curve representing the products

D

The midpoint of the curve representing the intermediate

Correct Answer

Option A

Detailed Explanation

The activation energy is the energy difference between the reactants and the peak of the potential energy curve, which represents the transition state.

Found an issue with this question?