M.Sc. Chemistry (PU-CET P.G) 2022 Panjab University Entrance Exam With Answers

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53.

Na+, Mg2+, Al3+, Si4+ are isoelectronic. Their ionic size will follow the order

A: Na+>Mg2+> Al3+>Si4+
B: Na+
C: Na+> Mg2+< Al3+< Si4+
D: Na+< Mg2+> Al3+> Si4+

The answer is: A