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Question

A reaction is second order in A and first order in B.
a) Write the differential rate equation.
b) How is the rate affected on increasing the concentration of A three times?
c) How is the rate affected when concentration of both A and B are doubled?

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Solution

d[C]dt=R[A]2[B]
If [A] inc by 3 times rate increases 9 times
If [A] & [B] both are double
r1=4×2××r
=8r, ie 8 times

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