Q. 1. In a first order reaction, 10% of the reactant is consumed in 25 minute. Calculate : (1) The half-life period of the reaction. (2) The time required for completing 875% of the reaction. Q. 2. A substance decomposes by following first order kinetics. If 50% of the compound is decomposed in 120 minute, how long will it take for 90% of the compound to decompose ?
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