For the reaction,X→Y the rate law is, rate =k[X]The correct statement about it are

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the reaction follows first order kinetics

half - life of the reaction depends upon initial concentration.

at constant temperature, fr is constant

the rate law provides a simple way of predicting the concentration of reactants at any time after the start of the reaction

answer is A.

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Detailed Solution

Since, it is a first order reaction, so t1/2=0.693ki.e. it does not depend upon initial concentration.

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