Chemical Kinetics Question 275

Question: The half-life of a reaction is inversely proportional to the square of the initial concentration of the reactant. Then the order of the reaction is

Options:

A) 0

B) 1

C) 2

D) 3

Show Answer

Answer:

Correct Answer: D

Solution:

[d] $ {t_{1/2}}\propto \frac{1}{a^{2}} $ We know that $ {t_{1/2}}\propto \frac{1}{{a^{n-1}}} $ i.e. $ n=3 $ Thus reaction is of 3rd order.



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