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# If the reaction rate at a given temperature becomes slower. then

$(A)\;\text{The free energy of activation is higher} \\ (B)\;\text{The free energy of activation is lower} \\(C)\;\text{The entropy changes} \\(D)\;\text{The initial concentration of the reactants remain constant .}$
Can you answer this question?

As the reaction rate decrease at a given temperature therefore the energy of activation increase.
Hence A is the correct answer.
answered Apr 4, 2014 by