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For the reaction A+2BrarrC , the reactio...

For the reaction `A+2BrarrC` , the reaction -rate is doubled if the concentration of A is doubled. The rate is increased by four times when concentrations of both A and B are increased by four times . The order of the reaction is -

A

3

B

0

C

1

D

2

Text Solution

Verified by Experts

The correct Answer is:
C
Rate of the reaction , `r=k[A]^(x)[B]^(y)`
`therefore2r=k[2A]^(x)[B]^(y) " or, "2r=2^(x).r`
or, x = 1
Again `4r=k[4A]^(x)[4B]^(y)=4^(x)xx4^(y)xxk[A]^(x)[B]^(y)`
`=4^(x)-4^(y)-r`
or, `4 = 4^(1)-4^(y) " or, "4^(y)=1=4^(0)`
or, y = 0
`therefore` "Overall order of reaction " = x+y=1+0=1
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