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A reaction is first order in A and secon...

A reaction is first order in A and second order in B
How is the rate affected on increasing the concentration of B three times ?

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It is given a reaction is first order in A and second order in B .
(i) The differeential rate equation is as follow :
`Rate = K [A] [B]^(2)`
(ii) On increasing the concentration of B three times , rate becomes 9 times .
`(d[B])^(2) = 3^(2) = 9`
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