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Consider the following reaction; $2H_2O_2(l)\rightarrow 2H_2O(l)+O_2(g)$ which graph shows the relation between rate of consumption of $H_2O_2$ and time?

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For $2^{nd}$ order kinetics
$R=\large\frac{d[A]}{dt}=$$k[A]^2$
$\large\frac{d[A]}{[A]^2}$$=kdt$
$\large\frac{-1}{[A]}$$=kt+c$
$[A]=\large\frac{-1}{kt+c}$
$R=\large\frac{k}{[kt+c]^2}$
$R.[kt+c]^2=k$
So corresponding graph will be (a).
Hence (a) is the correct answer.
answered Dec 17, 2013 by sreemathi.v
 

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