M.Sc. Chemistry (PU-CET P.G) 2018 Panjab University Entrance Exam With Answers

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61.

For a third order reaction having the rate equation, d[A]/dt=k[A]^3; the half life time period, t1/2 is :

A: proportional to the initial concentration of reactant
B: inversely proportional to the square of the initial
C: proportional to the square of the initial concentration of reactant
D: inversely proportional to the square root of the initial concentration of reactant

The answer is: B

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