MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryCoordination compoundsValence Bond Theory

[Sc(H2O)6]3+ ion is

A.colourless and diamagnetic✓ Correct

B.coloured and octahedral

C.colourless and paramagnetic

D.coloured and paramagnetic

Explanation

[Sc(H2O)6]3+ is colorless because it cannot undergo d-d transition as it does not have unpaired electron. d-d transition is required for absorption and release of energy which results in giving different colors to the complex. Hence, the correct option is (a).

Back to Question Bank

Practice More Like This

Take chapter-wise tests, track your progress, and master Coordination compounds.

Start Free Practice →