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Q.

The effect of temperature on a reaction rate for which Ea is zero is given by

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a

rate is independent of temperature

b

with increase of temperature rate decreases

c

with increase of temperature rate increases

d

reaction never occurs

answer is C.

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Detailed Solution

According to the Arrhenius equation, k=Ae−Ea​/RT

When Ea​=0, k=A

The temperature will have no effect on the rate constant when activation energy is zero.

Lower the activation energy, faster the reaction rate. 

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The effect of temperature on a reaction rate for which Ea is zero is given by