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For a first order process A to B , rat...

For a first order process `A to B` , rate constant `k_1 = 0.693 "min"^(-1)` & another first order process `C to D , k_2 = x "min"^(-1)`. If 99.9% of C `to` D requires time same as 50% of reaction A `to ` B , value of x?

A

`0.0693`

B

`6.93`

C

`23.03`

D

`13.86`

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