Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The rate expression for a reaction is defined as, 
= 
where α and β are constants and greater than zero. If the initial concentration of A that is [A] 0 is quite low what the half life period of the reaction in seconds in nearest possible integers if α = 10 –3 s –1 ?
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
693
Sol. 
= 
or 
d [A] = – dt
or 
+ 
d [A] = – dt
or 
ln 
+ 
{[A] – [A] 0 } = – t
or 
ln 
+ 
{[A] 0 – [A] } = t
At t = t 1/2 , t 1/2 = 
+ 
t 1/2 = 
= 
= 693 s
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