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प्रश्न
The pair of lanthanoid ions which are diamagnetic is:
पर्याय
Gd3+ and Eu3+
Pm3+ and Sm3+
Ce4+ and Yb2+
Ce3+ and Eu2+
MCQ
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उत्तर
Ce4+ and Yb2+
Explanation:
The electronic configuration of Ce4+ is [Xe].
The electronic configuration of Yb2+ is [Xe].
In the above pair, all electrons are in paired form so this pair is diamagnetic.
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