Published by:
CGP EDU Academic Team
Published on: August 13, 2026
From the following pairs of ion which one is not an iso-electronic pair?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Ion | Number of electrons |
F- | 10 10 |
Mg2+ | 10 10 |
Fe3+ | 23 23 |
Mn2+ | 24 23 |
and 
is an isoelectronic pair.
and 
is an isoelectronic pair.
and 
is an isoelectronic pair.
and 
is not an isoelectronic pair.
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