NCERT Exercise 4.18 - The d- and f-Block Elements
Question: Predict which of the following will be coloured in aqueous solution? Ti 3+, V 3+, Cu +, Sc 3+, Mn 2+, Fe 3+ and Co 2+. Give reasons for each.
Answer: **NCERT answer:** Except Sc3+, all others will be coloured in aqueous solution because of incompletely filled 3d-orbitals, will give rise to d-d transitions.
Full step-by-step NCERT solution with diagrams on Something by Zero.