For the given reaction, A → Product Initial conc. t1/2 0.1 M 2 hr 0.2 M 30 min Ordre of reaction is:

Engineering

Chemistry

Methods of Determination of Order of Reaction

Question

For the given reaction,
A → Product

Ordre of reaction is:

–1

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$t_{1 / 2} \propto {C_{AO}}^{1 - n} \Rightarrow \frac{120}{30} = {(\frac{0 .1}{0 .2})}^{1 - n}$

Or, $\frac{1}{4} = {(\frac{1}{2})}^{n - 1} \Rightarrow n - 1 = 2 \Rightarrow n = 3$