A reaction is 50 ./. Complete …
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Dr. Kamlapati Bhatt 8 years, 4 months ago
The order of reaction is = 1
Explanation :
The order of reaction can be calculated through following steps -
Step 1 / Calculate k for the reaction using expression ,
k = 0.693 / t1/2
= o.693 / 2 ......since t1/2 is given as = 2 hours
= 0.3465 hrs-1
Apply first order rate expression ,
k = {tex}\frac{2.303}{t}{/tex} log{tex}\frac{Ro}{R}{/tex} , at time t = 4 hours ,
= {tex}\frac{2.303}{4}log{/tex} {tex}\frac{100}{(100-75)}{/tex}
= 0.575575 log 4
= 0.57557 x 0.60206
= 0.3465 hr-1
Thus , same value of rate constant k is using first order rate equation , confirms the order of reaction = 1
0Thank You