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D and F Block Elements question

2022 · 27 Jun · Shift 2 · Q6
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D and F Block Elements question

2022 · 27 Jun · Shift 2 · Q6

JEE MainChemistryD and F Block ElementsMCQ+4 / −1
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]
  1. A
    Eu2+Eu^{2+}Eu2+ and Tm2+Tm^{2+}Tm2+
  2. B
    Sm2+Sm^{2+}Sm2+ and Tm3+Tm^{3+}Tm3+
  3. C
    Tb4+Tb^{4+}Tb4+ and Yb2+Yb^{2+}Yb2+
  4. D
    Dy3+Dy^{3+}Dy3+ and Yb3+Yb^{3+}Yb3+
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