BITSAT 2020 Paper

Section: Chemistry

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Question : 74 of 150

Marks: +1, -0

Which is not the correct statement? (At. nos. Ce=58,Lu=71,La=57,Yb=70)

Colour of Yb3+ ion is pink.
La3+ is diamagnetic.
Ce4+ has f0 configuration.
Lu3+ had f14 configuration.

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