1.

Which of the following pairs of compounds are more stable?

Answer»

`K_(2)[NiCl_(6)],[Pt(CN)_(4)]^(2-)`
`NiCl_(4),PtCl_(4)`
`[Ni(CN)_(4)]^(2-), K_(2)[PtCl_(6)]`
`PtCl_(2), NiCl_(2)`

Answer :C


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