A) \[Rate=k[A][B]\]
B) \[Rate=k{{[A]}^{2}}\]
C) \[Rate=k{{[A]}^{2}}[B]\]
D) \[Rate=k{{[A]}^{2}}{{[B]}^{2}}\]
Correct Answer: B
Solution :
On doubling the concentration of A causes the reaction rate to be four times as great so order with respect to reactant A is 2. While double the amount of B doesn't affects the rate so the order with respect to reactant B is zero. \[\therefore \] Rate of reaction \[=k{{[A]}^{2}}\]
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