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MHT CET Chemistry question

ChemistryCoordination CompoundsMHT CET

When an electron from a lower energy d-orbital is excited to a higher energy d-orbital I. The energy of excitation corresponds to the frequency of light absorbed. II. This frequency generally lies in the visible region. III. The colour observed corresponds to the complementary colour of the light absorbed. IV. The frequency of the light absorbed is determined by the nature of the ligand. Which one of the above mentioned statements are correct?

Answer: (C)

Solution

All four statements describe d-d transitions correctly: the excitation energy equals the energy of the absorbed light, it lies in the visible region,

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Question ID VK-074809