From the following pairs of ions which one is not an iso-electronic pair?
From the following pairs of ions which one is not an iso-electronic pair?
Option 1 -
O²⁻, F⁻
Option 2 -
Na⁺, Mg²⁺
Option 3 -
Mn²⁺, Fe³⁺
Option 4 -
Fe²⁺, Mn²⁺
Asked by Shiksha User
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1 Answer
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Correct Option - 4
Detailed Solution:Total no. of e?
? Fe → 3d?4s², Fe? ² → 3d? 24
? Mn → 3d?4s², Mn? ² → 3d? 23
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