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