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D and F Block Elements question

2021 · 25 Feb · Shift 1 · Q13

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D and F Block Elements
2021 · 25 Feb · Shift 1 · Q13

D and F Block Elements question

2021 · 25 Feb · Shift 1 · Q13

JEE MainChemistryD and F Block ElementsMCQ+4 / −1

In which of the following pairs, the outer most electronic configuration will be the same?

A
$Cr^+$ and $Mn^{2+}$
B
$Ni^{2+}$ and $Cu^+$
C
$V^{2+}$ and $Cr^+$
D
$Fe^{2+}$ and $Co^+$

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