1.

Amongst TiF_(6)^(2-), CoF_(6)^(3-), Cu_(2)Cl_(2) and NiCl_(4)^(2-) the colourless species are:

Answer»

`CoF_(6)^(3-) and NiCl_(4)^(2-)`
`TiF_(6)^(2-) and CoF_(6)^(3-)`
`Cu_(2)Cl_(2) and NiCl_(4)^(2-)`
`TiF_(6)^(2-) and Cu_(2)Cl_(2)`

Answer :D


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