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Explain giving reasons: The transition metals generally form coloured compounds.

8.11     Explain giving reasons:

                (iii) The transition metals generally form coloured compounds.

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M manish

Most of the complex of transition elements are coloured. This is due to the absorption of radiation from visible light region to excite the electrons from its one position to another position in d-orbitals. In the presence of ligands, d-orbitals split into two sets of different orbital energies. Here transition of electron takes place and emit radiation which falls on the visible light region.

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