1.

The secondary valency of platinum in tetraamminedichloroplatinum (IV) chloride is :

Answer»

`+4`
`+2`
3
6

Solution :Secondary VALENCY corresponds to the coordination number of the CENTRAL metal atom or ion . Pt (IV) in `[Pt (NH_(3))_(4) Cl_(2) ]Cl_(2)` i.e., tetrammine dichloro-platinum (IV) chloride have coordination number (i.e., secondary valency) six .


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