Explain why substitution of ligands in complex compounds often result

1.	Explain why substitution of ligands in complex compounds often result in colour change
Answer» ➖➖➖➖➖Most of the transition METAL COMPLEXES have different colours that depends on IDENTITY of metal and the ligands.If we KEEP metal constant but vary the ligands, the colour also changes.The crystal field theory explain the colour of coordination compounds to d-d transition of electrons.In absence of ligands, the crystal field splitting does not OCCUR and hence substance is colourless.➖➖➖➖➖➖➖➖➖➖➖➖➖

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