Consider the following statements,
A. Colour of a transition metal complex is dependent on the nature of energy difference between two d-levels.
B. colour of the complex is dependent on the nature of the ligand and the type of complex formed.
C. `ZnSO_(4) and TiO_(2)` white and in both d-dspectra are impossible.
Select the correct statements.

Options

A. A,B and C
B. A and B
C. B and C
D. A and C

Answer

A

Explanation

Colour of transition metal complex is dependent on energy difference between `t_(2g) and e_(g)`. Sets of d-orbitals, nature of ligand and type of complex formed. D-dtransition is possible in `d^(1)to d^(9)` ions. That is why such ion complexes are coloured. On the hand`d^(0) and d^(10)` ions cannot show d-d transition,hence colourless.
`Therefore, ZnSO_(4) and TiO_(2)` are white