NEET CHEMISTRY: "From the following pairs of ions which one is not an iso-electronic pair?..." — Solved MCQ | TopperSquare

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NEET CHEMISTRYGeneralEasy

Question

From the following pairs of ions which one is not an iso-electronic pair?

1

$O^{2-}, F^-$

2

$Na^+, Mg^{2+}$

3

$Mn^{2+}, Fe^{3+}$

4

$Fe^{2+}, Mn^{2+}$

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NEET CHEMISTRY: "From the following pairs of ions which one is not an iso-electronic pair?..." — Solved MCQ | TopperSquare