Question

Statement-1 : [Ti(H₂O)₆]³⁺ is coloured while [Sc(H₂O)₆]³⁺
is colourless.
Statement-2 : d-d transition is not possible in [Sc(H₂O)₆]³⁺.

Answer 1

Explanation:

Statement-1 : [Ti(H₂O)₆]³⁺ is coloured while [Sc(H₂O)₆]³⁺

is colourless.

Statement-2 : d-d transition is not possible in [Sc(H₂O)₆]³⁺.

Answer 2

[Ti(H₂O)₆]³⁺ is coloured while [Sc(H₂O)₆]³⁺ is colourless This is because, in Ti(H2O) has unpaired electron for d-d transition( responsible for colorness of a complex compound) so it is coloured .

while Sc(H2O) 6 can not undergo d-d Transition as do not have unpaired electrons so it is colorless.