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Half-life periods for a reaction at initial concentration of 0.1M and 0.01M are 5 and 50 minutes respectively. Then the order of reaction is

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a
0
b
1
c
2
d
3
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detailed solution

Correct option is C

When the initial concentration is reduced from0.1M to 0.01M, the half-life period of the reaction increases from 5 minutes to 50 minutes.
Thus, when the initial concentration is reduced to one-tenth, the half-life period becomes 10 times.
Hence, the half-life period is inversely proportional to the initial concentration
t1/21 A
This is true for the second-order reaction.


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