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t1/4 can be taken as the time taken for the concentration of a reactant to drop to 3/4 of its initial value. If the rate constant for a first order reaction is k, the t1/4can be written as

(a) 0.10/k 

(b) 0.29/k

(c) 0.69/k 

(d) 0.75/k

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Best answer

Correct option(b) 0.29/k

Explanation:

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