Chemistry · 2022
JEE Main · 27 June 2022, Shift 2 · Q69
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]
The ' $\displaystyle f$ ' orbitals are half and completely filled, respectively in lanthanide ions
[Given : Atomic no. Eu, $\displaystyle 63$; Sm, $\displaystyle 62$; Tm, $\displaystyle 69$; Tb, $\displaystyle 65$; Yb, $\displaystyle 70$; Dy, $\displaystyle 66$]
Official answer
(3)
$\displaystyle \mathrm{Tb}^{4+} \text { and } \mathrm{Yb}^{2+}$
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JEE Main 2022 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.