Chemistry · 2021
JEE Main · 31 August 2021, Shift 2 · Q37
The Eu^2+ ion is a strong reducing agent in spite of its ground state electronic configuration (outermost): [Atomic number of Eu =63 ]
The $\displaystyle \mathrm{Eu}^{2+}$ ion is a strong reducing agent in spite of its ground state electronic configuration (outermost) : [Atomic number of $\displaystyle \mathrm{Eu}=63$ ]
Official answer
(1)
$\displaystyle 4 f^7$
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JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.