The pair, in which ions are isoelectronic with Al 3+ is: (JEE Main 2022)

Chemistry · JEE Main · NTA Exams — Atomic Structure

1. Br^– and Be²⁺
2. Cl^– and Li⁺
3. S^2– and K⁺
4. O^2– and Mg²⁺

Answer

(D) O 2– and Mg 2+

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