1.

Of the following complex ions, the one that probably has the largest overall formation constant, K_(f) is :

Answer»

`[Co(NH_(3))_(6)]^(3+)`
`[Co(H_(2)O)_(6)]^(3+)`
`[Co(NH_(3))_(2)(H_(2)O)_(4)]^(3+)`
`[Co(en)_(3)]^(3+)`

SOLUTION :As chelation `uparrow`, stability `uparrow`.


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