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\mathrm{Ce}^{3+} and \mathrm{Yb}^{3+} compounds are observed to have which colour ?

Option: 1

Yellow


Option: 2

Red


Option: 3

Colourless


Option: 4

Pale blue


Answers (1)

best_answer

Due to single unpaired electron, they have 4f to 5d transition and they absorb in UV light and appear to be colourless.

Posted by

Rishi

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