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Rate of reaction A---B increases 2 times by increasing conc. A by 4times. What is the order of the reaction?

Rate of reaction A---B increases 2 times by increasing conc. A by 4times. What is the order of the reaction?

Grade:12th pass

1 Answers

Arun
25750 Points
5 years ago

As the rate constant is -

r = k[A]^n

By the info given in Q we can judge that the value of “n” or order is 0.5 as -

r = k[A]^n…. (1)

2r = k[4A]^n…. (2)

Dividing eqn 1 and 2 -

1/2 = (1/4)^n

Implies n=0.5

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