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The reaction XrarrY (Product ) follows f...

The reaction `XrarrY` (Product ) follows first order kinetics. In 40 minutes, the concentration of X changes from 0.1M to 0.025 M , then rate of reaction when concentration of X is `0.01`M is :

A

`3.47 xx10^(-5)M//min`

B

`1.73 xx10^(-4)M//min`

C

`1.73 xx10^(-5)M//min`

D

`3.47 xx10^(-4)M//min`

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The correct Answer is:
D
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