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The rate constant for the reaction A rar...

The rate constant for the reaction A `rarr` B is `2xx10^(-4)"L mol"^(-1)"min"^(-1)`. The concentration of A at which rate of the reaction is `((1)/(20))xx10^(-5)"M sec"^(-1)` is :

A

`0.25` M

B

`((1)/(20))sqrt((5)/(3))` M

C

`0.05` M

D

none of these

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The correct Answer is:
C
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