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Assuring an elementary reaction H2O2+3I^...

Assuring an elementary reaction `H_2O_2+3I^(-)+2H^(+)rarr2H_2O+I_3^(-)` . The effect on the rate of this reaction brought about by doubling the concentration of `I^(-)` without changing the order

A

The rate would increase by a factor of 3

B

The rate would increase by a factor of 8

C

The rate would decrease by a factor of 1/3

D

The rate would increase by a factor of 9

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The correct Answer is:
B
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