Zero order reactions

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Question

Reaction , A $\to$ Products , follows Zero order kinetics. If the initial concentration of ‘A’ is 10 M and the rate constant of the reaction is 0.2 mole ${lit}^{- 1} \min^{- 1}$ . Half life period of the reaction is

Moderate

Solution

$\begin{array}{l} t_{\frac{1}{2}} = \frac{a}{2 K} \\ = \frac{10 M}{2 (0 .2 {Mmin}^{- 1})} \\ = \frac{10}{0 .4} minutes \\ = 25 minutes \end{array}$

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Time(s)	Rate of reaction (mol L^-1s^-1)
0	$4.20 \times 10^{- 4}$
10	$4.20 \times 10^{- 4}$
20	$4.20 \times 10^{- 4}$
30	$4.20 \times 10^{- 4}$
40	$4.18 \times 10^{- 4}$