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The rate equation for a reaction,
$A \longrightarrow B$
is $r=k[A]^0$. If the initial concentration of the reactant is $a \mathrm{~mol} \mathrm{dm}{ }^{-3}$, the half-life period of the reaction is
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$A \longrightarrow B$
is $r=k[A]^0$. If the initial concentration of the reactant is $a \mathrm{~mol} \mathrm{dm}{ }^{-3}$, the half-life period of the reaction is
Solution:
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Verified Answer
The correct answer is:
$\frac{a}{2 k}$
$A \longrightarrow B$
$\because \quad r=k[A]^0$ or $r=k$
This is a zero order reaction.
$\therefore \quad t_{1 / 2}=\frac{a}{2 k}$
$\because \quad r=k[A]^0$ or $r=k$
This is a zero order reaction.
$\therefore \quad t_{1 / 2}=\frac{a}{2 k}$
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