Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The rate constant for a first order reaction is 
. The time required to
reduce 2.0 g of the reactant to 0.2 g is
Text Solution
Verified by ExpertsThe correct answer is:
B
For a first order reactions
Rate constant 
Initial amount 
Final amount 
So, time required,
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