Question

Among the following, the coloured compound is A CuCl B K3[Cu(CN)4] C CuF2 D [Cu(CH3CN)4]BF4

Answer 1

a) CuCl is a white colored compound

b) K₃(Cu(CN)₄) is white colored compound

c) CuF₂ is blue green colored compound

d) Cu(CH₃CN)₄)BF₄ is white colored

The compounds of copper of (a), (b) and (d) are having filled d orbitals. Hence do not show any colour.

The right answer is (c) CuF₂