NEET2021Chemistry-Chemical Kinetics
NEET 2021 Chemistry Energy Profile Diagrams MCQ Question
Type: MCQ-conceptual-Medium-Class 12
For a reaction A→B, enthalpy of reaction is −4.2 kJ mol⁻¹ and enthalpy of activation is 9.6 kJ mol⁻¹. The correct potential energy profile for the reaction is shown in option.
A
B
C
D
Correct Answer
Option B
Detailed Explanation
The reaction is exothermic with a negative enthalpy change, so the potential energy of products is lower than that of reactants. Option A correctly shows this profile.
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