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A first order reaction is 20% complete i...

A first order reaction is 20% complete in 10 min. Calculate the specific rate constant of the reaction.

A

0.223 `min^(-1)`

B

0.0223 `min^(-1)`

C

2.23 `min^(-1)`

D

22.3 `min^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
`log[A]/[A]_(0)=(k)/(2.303)` t log 0.8 =`-(k)/(2.303)(10 min ) =0.0233 min^(-1)`
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