Q.

Statement I : If the activation energy of a reaction is zero, temperature has no effect on the rate constant.Statement II : Lower the activation energy, faster is the reaction.

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a

Statement I and II are correct and II explains I

b

Statement I and II are correct and II does not explain I

c

Statement - I is correct and Statement - II is incorrect

d

Both statement - I and II are incorrect

answer is B.

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Detailed Solution

K=Ae-EaRT Ea=0;K=1. Reaction is independent of temperture.Activation energy is less fraction of molecules having energy equal or greater than threshold energy increases,effective collisions increases. Rate increases.
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