NEET 2006 Chemistry question

In which of the following pairs are both the ions coloured in aqueous solution-

(1), Correct
(2),
(3),
(4), [At. No. : Sc = 21, Ti = 22, Ni = 28, Cu = 29, Co = 27]

Answer: (1)

Solution

Ions are coloured in aqueous solution when they have incompletely filled d-orbitals (d-d transitions possible). is (coloured), is (coloured), is (coloured).

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-089596