1.

Sc^(3+) ions are colourless where as V^(3+) ions are coloured. Give reason.

Answer»

Solution :`SC^(3+)` ions does not contain any UNPAIRED electrons HENCE d-d transition does not TAKE place.
`V^(3+)` ION contain two unpaired electrons, hence d-d transition takes place. Therefore `V^(3+)` ions are coloured.


Discussion

No Comment Found