Correct statement(s) is/are:
A. Radioactive decay follows first order kinetics.
B. If concentration of the reactant is doubled, half life remain constant in the zero order reaction.
C. For a zero order reaction, t_1/2 is directly proportional to the initial concentration of the reactants and inversely proportional to the rate constant.
D. For first order reaction, t_1/2is independent of initial concentration of the reacting species.

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Only A and B

A, C and D

Only B

B and C

answer is B.

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Detailed Solution

For a zero order reaction, t_1/2 is directly proportional to the initial concentration of the reactants and inversely proportional to the rate constant. Hence, if concentration of the reactant is doubled, then half life period is also doubled in the zero order reaction.

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