The kinetics of a reaction in which two reactants, A and B, react together to form a product, C, is studied, and the results are recorded in the chart below. What is the order of the reaction with respect to A and B, respectively?

Trial
[A]
[B]
Initial rate of formation of C (M/s)
1
0.20
0.40
0.001
2
0.20
0.80
0.001
3
0.40
0.80
0.004

First order with respect to A; first order with respect to B
First order with respect to A; zero order with respect to B
Zero order with respect to A; first order with respect to B
Zero order with respect to A; second order with respect to B
Second order with respect to A; zero order with respect to B