Questions  

According to MOT, highest occupied molecular orbital (HOMO) in O22- is

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ctaimg
a
σ2p*
b
π2p*
c
σ2p
d
π2p
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detailed solution

Correct option is B

O2-2-KK'σ2s2σ2s*2σ2pz2π2px2π2py2π2px*2π2py*2O2--KK'σ2s2σ 2s*2σ2pz2π2py2π2py2π2px*2π2py*1O2 -KK'σ2s2σ2s*2σ2pz2π2px2π2py2π2px*1π2py*1O2+-KK'σ2s2σ2s*2σ2pz2π2px2π2py2π2px*1π2py*0Bond order and magnetic moment :μs=nn+2 B. M ; O2-2=10-82=1; Diamagnetic...μs=0 ; O2-=10-72=1.5; Paramagnetic..μs=1.732 B.M ; O2=10-62=2; Paramagnetic.......μs=2.82 B.M ; O2+=10-52=2.5; Paramagnetic.....μs=1.732B.M  ;O — O bond length inO2-2>O2->O2>O2+


ctaimg

Similar Questions

The increasing order of energies of various molecular orbitals are

 I. σ1s<σ*1s<σ2s<σ*2s<σ2pz<π2px=π2py<π*2px=π*2py<σ*2pz

 II. σ1s<σ*1s<σ2s<σ*2s<π2px=π2py<σ2pz<π*2px=π*2py<σ*2pz

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