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A first order reaction has a specific re...

A first order reaction has a specific reaction rate o `10^(-2)sec^(-1)` . How much time will it take for 20 g of the reactant to reduce to 5g ?

A

238.6 sec

B

138.6 sec

C

346.5 sec

D

693.0 sec

Text Solution

Verified by Experts

The correct Answer is:
B
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CHHAYA PUBLICATION-PREVIOUS YEARS QUESTION PAPER 2017-NEET 2017
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