Explain why KO2 is paramagnetic in nature -

In KO2 oxygen exist as superoxide i.e. O2 MO Configuration :O2(16e ) =Ïƒ1s2Ïƒ*1s2Ïƒ2s2Ïƒ*2s2Ïƒ2pz2(Ï€2px2=Ï€2py2)(Ï€*2px1=Ï€*2py1) nbsp;O2 (15e )=Ïƒ1s2Ïƒ*1s2Ï ...

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Standard XII

Chemistry

Ionic Radii and Ionisation Enthalpy (Group 2)

explain why K...

Question

explain why KO₂ is paramagnetic in nature ?

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Solution

In KO₂oxygen exist as superoxide i.e. O₂^-
MO Configuration :
O₂(16e-) =Ïƒ1s²Ïƒ1s²Ïƒ2s²Ïƒ2s²Ïƒ2pz²( $Ï€2px 2 =Ï€2py 2)$ ( $Ï€2px 1 =Ï€2py 1)$
O₂^-(15e-)=Ïƒ1s²Ïƒ1s²Ïƒ2s²Ïƒ2s²Ïƒ2pz²( $Ï€2px 2 =Ï€2py 2)$ ( $Ï€2px 1 =Ï€2py 0) thus paramagnetic due to presence of unpaired electron$
Thus KO₂ is paramagnetic in nature.

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explain why KO2 is paramagnetic in nature ?

explain why KO₂ is paramagnetic in nature ?