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Assertion (A) : If the activation energy...

Assertion (A) : If the activation energy of a reaction is zero, temperature will have no effect on the rate constant. Reason (R ): Lower the activation energy, faster is the reaction.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but the reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If assertion is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
B
According to Arrhenius equation, `k = Ae^(-E_(a)//RT)` when `E_(a) = 0`,
`K = A`
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Each question contains STATEMENTS-1 (Assertion) and STATEMENT -2 (Reason). Examine the statements carefully and mark the correct answer according to the instructions given below: STATEMENT -1: If the activation energy of reaction is zero, temperature will have no effect on the rate constant. STATEMENT-2: Lower the activation energy faster is the raction.

Can activation energy for reactions be zero?

The activation energy of a reaction is zero. The rate constant of the reaction

The activation energy of a reaction is zero. The rate constant of this reaction

The activation energy of a reaction can be lowered by :

A : If temperature does not affect the rate of reaction , E_a=0 R : Lesser the activation energy, slower will be the reaction.

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