Chemistry · 2026
JEE Main · 4 April 2026, Shift 2 · Q59
Pairs of elements with the same number of electrons in their respective 4f orbital are [Atomic number. Eu-63, Gd-64, Dy-66, Ho-67, Tm-69, Yb-70,…
Pairs of elements with the same number of electrons in their respective 4f orbital are
[Atomic number. Eu-$\displaystyle 63$, Gd-$\displaystyle 64$, Dy-$\displaystyle 66$, Ho-$\displaystyle 67$, Tm-$\displaystyle 69$, Yb-$\displaystyle 70$, Lu-$\displaystyle 71$, Hf-$\displaystyle 72$]
A. (Eu and Gd)
B. (Dy and Ho)
C. (Yb and Hf)
D. (Lu and Tm)
Choose the correct answer from the options given below:
Official answer
From NTA’s final answer key for this paper.
(4)
A and C Only
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.