The concentration of either ‘A’ or ‘B’ was changed keeping the concentrations of one of the reactants constant and rates were measured as a function of initial concentration. Following results were obtained. Choose the correct option for the rate equations for this reaction.
Experiment | Initial Concentration of [A]/ molL-1 | Initial concentration of [B]/ molL-1 | Initial rate concentration of [C]/molL-1S-1 |
12
3 |
0.300.30
0.60 |
0.300.60
0.30 |
0.100.40
0.20 |
(i) Rate = k [A]2[B]
(ii) Rate = k [A] [B]2
(iii) Rate = k [A] [B]
(iv) Rate = k [A]2[B]0
Correct Answer: (ii) Rate = k [A] [B]2
Explanation: The correct rate equation for the given reaction is Rate = k [A] [B]2.