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JEE Main Chemistry Class 12 The D and F Block Elements Part 2 Questions

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Question : 101

Total: 111

The ' f ' orbitals are half and completely filled, respectively in lanthanide ions
[Given : Atomic no. Eu, 63; Sm,62;Tm,69;Tb,65;Yb,70;Dy,66]

[27-Jun-2022-Shift-2]

Eu2+ and Tm2+
Sm2+ and Tm3+
Tb4+ and Yb2+
Dy3+ and Yb3+

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