Which of the following statements is most likely to be incorrect ?

Options

A. `Ti(NO_3_4` is a colourless compound
B. `[Cu(NC CH_3)_4]^(+) BF_4^(-)` is a colourles compound.
C. `[Cr(NH_3)_6]^(3+) 3Cl^(-)` is a coloured compound
D. `K_3[VF_6]` is a colourless compound

Answer

D

Explanation

`(A)._(22)Ti^(4+)E.C.=3d^(10)4s^@` Colourless
(B)`._29Cu^(+) E.C.=3s^(10)4s^(@)` colourless
( C)`._24Cr^(3+)E.C.=3d^34s^@` coloured (most likely)
(D)`._23V^(3+)E.C=3d^24s^@` coloured (most likely)