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In a first order of reaction the concent...

In a first order of reaction the concentration of reactant decreases from `800 "mol"//d m^(3)` to`50 "mol"//d m^(3)` in `2 xx 10^(2) sec`. The rate constant of reaction in `"sec"^(-1)` is

A

`2xx 10^(4)`

B

`3.45 xx 10^(-5)`

C

`1.386 xx10^(-2)`

D

`2xx10^(-4)`

Text Solution

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The correct Answer is:
C
Properties of ionic solid
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