Chemistry, asked by waseemkhan43068, 11 months ago

ce3+ is colourless why pr3+ is coloured why?​

Answers

Answered by pAvIKTm46
2

Answer:

number of unpaired electron ions in Ce3+ and Yb3+ is 1 and no f-f transition for the f1 and f13 as there no 4f upper state so they absorb in the visible region and appear colourless

Explanation:

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