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  • For a reaction, the following graphs are obtained between rate of reaction and concentration of reactant: <img alt="" src="https://cdn.entrance360.com/media/uploads/2023/08/13/chem1891.pn

For a reaction, the following graphs are obtained between rate of reaction and concentration of reactant:

     

The order of reaction is:

Option: 1

1


Option: 2

2


Option: 3

3


Option: 4

4


Answers (1)

best_answer

For a \mathrm{n^{\text {th }}} order reaction, rate (R) :
\mathrm{ R=k[A]^n }
For
\mathrm{ n=2 \\ }
\mathrm{ R=k[A]^2 }     .....(1)

The graph between rate of reaction and concentration is of the type :
\mathrm{ y=m x^2 }, i.e. a parabola
Also, from equation 1 :
Graph between rate of reaction and \mathrm{ (Concentration )^2 } is of the type \mathrm{ y=m x } i.e. a straight line passing through origin. Hence the order of the reaction is 2

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