The option showing the correct match for the reactants in Column I with the second-order rate constants (I mol-1 s-1) in Column II for the outer- sphere reactions in water at 25 °C is
|
Column I |
Column II |
||
|
A. |
[Fe(CN)6]4- and [Fe(H2O〉6]3- |
(i) |
105 |
|
B. |
[Fe(H2O)6]2+ and [Fe(H2O〉6]3+ |
(ii) |
3 |
|
C. |
[Co(NH3)6]2+ and |Co(NH3)6]3+ |
(iii) |
10-6 |
| D. | [Co(en)3]2+ and [Co(en)3]3+ | (iv) | 10-4 |
1
A - i, B - ii, C - iii, D - iv
2
A - iv, B - iii, C - ii, D - i
3
A - i, B - ii, C - iv, D - iii
4
A - iv, B - ii, C - iii, D - i