Which Of The Following Statements Is Not Correct?

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Question

Which of the following statements is not correct?

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Solution

Correct option is

K₃[VF₆] is a colourless compound

Ti⁴⁺ has no d-electrons (colourless)

[Cr(NH₃)₆]³⁺

[V F₆]^3– i.e. V (III):

[Cu(NC.CH₃)4]⁺ i.e;

Cu(I) : 3d¹⁰ (sp²d hybridisation), colourless

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