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Question: The rate of a gaseous reaction is halved when the volume of the vessel is doubled. The order of reac...

The rate of a gaseous reaction is halved when the volume of the vessel is doubled. The order of reaction is

A

0

B

1

C

2

D

3

Answer

1

Explanation

Solution

(i)R=kan(ii)R2=k(a2)n(i)R = ka^{n}(ii)\frac{R}{2} = k\left( \frac{a}{2} \right)^{n}

Dividing (i) by (ii), 2 = 2n2^{n} . Hence n=1n = 1.