A molecule undergoes two independent first order reactions whose respective half lives are 12 min and 3 min. If both the reactions are occurring then the time taken for the 50% consumption of the reac

Question

A molecule undergoes two independent first order reactions whose respective half lives are 12 min and 3 min. If both the reactions are occurring then the time taken for the 50% consumption of the reactant is  min. (Nearest integer)

Canvas Classes · Accepted Answer

For parallel first order reactions, the effective rate constant is:

Effective half-life:

Answer: 2 min

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