Question

Which of the following compounds is expected to be coloured?

• A. $Ag_2SO_4$
• B. $CuF_2$
• C. $MgF_2$
• D. $CuCI$

Answer 1

Answer: (B)

$CuF_2$

Answer 2

$Cu^{2+}(3d^9)$ undergo d-d transition, exhibit colour.