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which is having maximum number of unpaired electron

Fe²⁺ or Fe³⁺

Posted by Aashka Shah 7 years ago

CBSE > Class 12 > Chemistry

2 answers

Aashka Shah 7 years ago

But if we look like Fe²⁺as Cr and

Fe³⁺ as V

in that sense then Fe²⁺ should be the correct,,,,

is my method correct?????

Payal Singh 7 years ago

Electronic Configuration of

Fe = {tex}1s^2 2s^2 2p^6 3s^2 3p^6 3d^6 4s^2{/tex}

Electronic Configuration of

Fe²⁺ = {tex}1s^2 2s^2 2p^6 3s^2 3p^6 3d^6 {/tex}

Electronic Configuration of

Fe³⁺ = {tex}1s^2 2s^2 2p^6 3s^2 3p^6 3d^5{/tex}

So Fe³⁺ has more unpaired electron.

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