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  • The concentration of reactant undergoing decomposition was <img alt="1,0.8, 0.67 \mathrm{~molL}^{-1}" src="https://entrancecorner.oncodecogs.com/gif.latex?1%2C0.8%2C%200.67%20%5Cmathrm%7B%7EmolL%7D

The concentration of reactant undergoing decomposition was 1,0.8, 0.67 \mathrm{~molL}^{-1}after 1,2 and 3 minutes respectively. The order of reaction is

Option: 1

0


Option: 2

1


Option: 3

2


Option: 4

3


Answers (1)

best_answer

\mathrm{\quad \because \frac{[A]-\left[A_0\right]}{t_2-t_1}=k[A]^n \Rightarrow \frac{1-0.8}{2-1}=k(1)^n-(1)}

\mathrm{ \begin{aligned} & \frac{0.8-0.67}{3-2}=k(0.8)^n \text { (2), By (1) } \div(2), 1.538=(1.25)^n \\ & n=2 \\ & \end{aligned} }

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