1.

When one mole of each of the following complex salts is treated with excess of AgNO_(3) which of them gives maximum amount of AgCl?

Answer»

`[Co(NH_(3))_(6)]Cl_(3)`
`[Co(NH_(3))_(5)Cl]Cl_(2)`
`[Co(NH(_3))_(4)Cl]Cl`
`Na_(2)[PtCl_(6)]`

Solution :When `[Co(NH_(3))_(6)]Cl_(3)` is treated with excess of `AgNO_(3)` then 3 moles of AgCl are OBTAINED, as THEREARE 3 ionisable in the complex (present outside the coordination sphere). Compounds (b) and (c)have two and one ionisable `Cl^(-)` ions RESPECTIVELY, whereas d has none.


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