Questions
Half-life periods for a reaction at initial concentration of and are 5 and 50 minutes respectively. Then the order of reaction is
detailed solution
Correct option is C
When the initial concentration is reduced from to , 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
This is true for the second-order reaction.
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