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