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JEE MAIN 2021
25-02-21 S1
Question
In which of the following pairs, the outer most electronic configuration will be the same?
Select the correct option:
A
$\mathrm{Cr}^{+}$and $\mathrm{Mn}^{2+}$
B
$\mathrm{Ni}^{2+}$ and $\mathrm{Cu}^{+}$
C
$\mathrm{Fe}^{2+}$ and $\mathrm{Co}^{+}$
D
$\mathrm{V}^{2+}$ and $\mathrm{Cr}^{+}$
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Solution
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Question Tags
JEE Main
Chemistry
Easy
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