Which complex of the following pairs has the larger value of `Delta_(0)`
(i) `[Co(CN)_(6)]^(3-)` and `[Co(NH_(3))_(6)]^(3+)`
(ii) `[Co(NH_(3))_(6)]^(3+)` and `[CoF_(6)]^(3-)`
(iii) `[Co(H_(2)O)_(6)]^(2+)` and `[Co(H_(2)O)_(6)]^(3+)` .
A. `[Co(CN)_(6)]^(3-) gt [Co(H_(2)O)_(6)]^(3+)`
B. `[Co(H_(2)O)_(6)]^(2+) lt [Co(H_(2)O)_(6)]^(3+)`
C. `[Co(H_(2)O)_(6)]^(3+) gt [Rh(H_(2)O)_(6)]^(3+)`
D. `[Co(NH_(3))_(6)]^(3+) lt [CoF_(6)]^(3-)`
