The isoelectronic pair is :

Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Mix Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 14, 2026

Cl 2 O, I Cl 2–

I Cl 2– , ClO 2

IF 2+ , I 3–

ClO 2– , ClF 2+

Text Solution

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The correct answer is:

ClO 2– and ClF 2+ both have 34 electrons and therefore are isoelectronic species.

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