JEE Main Chemistry question
The energies of activation for forward and reverse reactions for are 180 kJ mol and 200 kJ mol respectively. The presence of a catalyst lowers the activation energy of both (forward and reverse reactions) by 100 kJ mol. The enthalpy change of the reaction in the presence of catalyst will be (in kJ mol)
Answer: (D)
Solution
A catalyst lowers the activation energies of both the forward and reverse reactions by the same amount, leaving unchanged.
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