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In a reaction A to B the rate of react...

In a reaction ` A to B` the rate of reaction increases two times on increasing the concentration of the reactant four times, then order of reaction is

A

0

B

2

C

`1//2`

D

`-1//2`

Text Solution

Verified by Experts

The correct Answer is:
C
Let `r=k[A]^(n)`
`r_(1)=k 4^(n) [A]^(n) =2r 4^(n) =2 rArr 2^(2n) =2^(1)`
`rArr 2n=1 rArr n=(1)/(2)`
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