Question

Why salt
of Ti
are colourless​

Answer 1

Answer:

The ions Sc3+ and Ti4+ have completely empty d-orbitals i.e., no unpaired electrons are present. Thus, their salts are colourless, as d-d transitions are not possible.

Answer 2

Answer:

The ions Sc3+ & Ti4 + have completely empty d- orbitals i. e., noun paired electrons are presens. Thus their salts sre colourless as d-d transition are not possible