Discussion Forum : Chemical Kinetics
Question -


The conversion of A to B follows second order kinetics. Doubling the concentration of A increases the rate of formation of B by a factor of

Options:
A .   2
B .   4
C .   12
D .   14
Answer: Option B
:
B
For a second order kinetics of the reaction A B we have rate = k[A]2. When conc. of A is doubled the rate of the reaction increases by a factor of 22(=4). Since rate of conversion of A = rate of formation of B. Hence rate of formation of B also increases 4 times.

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