Q.

The rate constant for the reaction AB is 2 x 10-4 L mol-1 min-1. The concentration of A at which rate of the reaction is 112×105M sec1 is :

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a

0.25 M

b

0.5 M

c

none of these

d

12053M

answer is C.

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Detailed Solution

Here, the rate of the reaction,

r=k[A]2112×105=2×10460×[A]2[A]=0.5M

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