Question

Half-life period of a zero order reaction is

• A. Proportional to initial concentration of reactants
• B. Independent of initial concentration of reactants
• C. Inversely proportional to initial concentration of reactants
• D. Inversely proportional to square of initial concentration of reactants.

Answer 1

The correct option is A Proportional to initial concentration of reactants

$t_{\frac{1}{2}}\propto \frac{1}{a^{n-1}}$

where, n is the order of the reaction.

As n =0, the half-life period of zero order reaction is given as,
$t_{\frac{1}{2}}\propto \frac{1}{a^{n-1}}$

$t_{\frac{1}{2}}\propto a$.