Question

Ti+3 salts are colourless where as cr3+ are coloured

Answer 1

Answer:

T3+ complex are coloured because it has 1 unpaired electron on its d orbit which can show d-d transformation but T4+ has not any unpaired electron on its d orbit so it is colourless.

Answer 2

Required Solution :

• There are 3 unpaired electrons present in d-shell. So, they will show color. That's why salts are colored.

• Hence, the salts are colorless where salts are colored due to the number of unpaired electrons present in .

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