Q.
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a
a high activation energy usually implies a fast reaction.
b
rate constant increases with increase in temperature. This is due to a greater number of collisions whose energy exceeds the activation energy.
c
higher the magnitude of activation energy, stronger is the temperature dependence of the rate constant
d
the pre-exponential factor is a measure of the rate at which collisions occur, irrespective of their energy.
answer is B.
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