InterviewSolution
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InterviewSolution
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Which one of the following has the correct order of `Delta_(o)` ?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-)` |
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Answer» (A,B) (A) `Delta _(o)prop` strength of ligand. `CN^(-)` is stronger field ligand than `H_(2)O.So Delta_(o)` of `[Co(CN)_(6)]^(3-) gt [Co(H_(2)O)_(6)]^(2+) [Co(CN_(6))]^(3)` (B) `Delta_(o)prop` oxidation state of central metal ion. So `Delta_(o)` of `[Co(H_(2)O)_(6)]^(2+) lt [Co(H_(2)O)_(6)]^(3+)` Note : `Delta_(o)prop` principal quantum number of central atom/ion i.e.n. |
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