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The rate law for a reaction between the ...

The rate law for a reaction between the substances A and B is given by Rate =`k[A]^m[B]^n` On doubling the concentration of A and having the concentration of B, the ratio of the new rate to the earlier rate of the reaction will be as:

A

`2^(m+n)`

B

`2^(n-m)`

C

`2^(m-n)`

D

`2^-(m+n)`

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The correct Answer is:
C
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