For the reaction P + Q + R → S, experimental data for the measured initial rates is given below
| Expt. |
Initial conc. P (M) |
Initial conc. Q (M) |
Initial conc. R (M) |
Initial Rate (Ms-1) |
| 1 | 0.2 | 0.5 | 0.4 | 8.0 × 10-5 |
| 2 | 0.4 | 0.5 | 0.4 | 3.2 × 10-4 |
| 3 | 0.4 | 2.0 | 0.4 | 1.28 × 10-3 |
| 4 | 0.1 | 0.25 | 1.6 | 4.0 × 10-5 |
The order of the reaction with respect to P, Q and R respectively is:
1
2, 2, 1
2
2, 1, 2
3
2, 1, 1
4
1, 1, 2
5
Question Not Attempted