JEE MAIN - Chemistry (2022 - 25th June Morning Shift - No. 2)
The pair, in which ions are isoelectronic with AI3+ is :
Br$$-$$ and Be2+
Cl$$-$$ and Li+
S2$$-$$ and K+
O2$$-$$ and Mg2+
Explanation
O2–, Mg2+ and Al3+ are isoelectronic. All have 10 electrons.
Comments (0)
