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In a reaction, A+B to Product, rate is ...

In a reaction, A+B to Product, rate is doubled when the concentration of B is doubled, and rate increases by a factor of `8` when the concentrations of both the reactants (A and B) are doubled, rate law for the reaction can be written as

A

`"rate"=k[A]^(2)[B]`

B

`"rate"=k[A][B]`

C

`"rate"=k[A][B]^(2)`

D

`"rate"=k[A]^(2)[B]^(2)`

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The correct Answer is:
A
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