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In a reaction A + B to Products, rate of...

In a reaction `A + B to` Products, rate of reaction decreases by a factor two, if the concentration of A and B, both are doubled. If only concentration of B is doubled, the rate decreases by a factor of four. The rate law is:

A

`r= k[A]^(-1) [B]^(-1)`

B

`r=k[A]^(1)[B]^(-2)`

C

`r=k[A]^(2) [B]^(-1)`

D

`r=k[A]^(-2)[B]^(-2)`

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