1.

Which of the following statements in most likely to be incorrect

Answer»

`Ti(NO_(3))_(4)` is a colourless compound
`[Cu(NC.CH_(3))_(4)]^(2+)` is a colourless compound
`[CR(NH_(3))_(6)]^(3+)3Cl^(-)` is a coloured compound
`K_(3)[VF_(6)]` is a colourless compound

Solution :Complex species in which the metal has UNPAIRED electrons are MOSTLY coloured, but the converse may not be TRUE `LnK_(3)[VF_(6)]` the central metal atom has two unpaired electrons. So it is mostly coloured. `(V^(3+):t_(2g)^(2)eg^(0))`


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