NEET Chemistry Activation Energy MCQ Question
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?

The peak of the curve representing the transition state
The starting point of the curve representing the reactants
The end point of the curve representing the products
The midpoint of the curve representing the intermediate
Correct Answer
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.
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