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A reaction is found to be second order w.r.t. one of the reactants & has rate constant of 0.5 mol–1 dm3 min–1. If initial concentration is 0.2 mol dm–3 then t1/2 of reaction is

(a)  5 min

(b)  10 min

(c)  15 min

(d)  20 min

1 Answer

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Best answer

Correct option  (b) 10 min

Explanation:

In general t1/2  of reaction ∝ 1/(a0)n - 1

For a second order reaction,

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