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Which of the following species is paramagnetic with two unpaired electrons in pi anti bonding molecular orbital
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a
O2
b
O2+
c
O2-
d
O2-2
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Correct option is A
O2-2-KK'σ2s2σ2s*2σ2pz2π2px2π2py2π2px*2π2py*2O2--KK'σ2s2σ 2s*2σ2pz2π2py2π2py2π2px*2π2py*1O2 -KK'σ2s2σ2s*2σ2pz2π2px2π2py2π2px*1π2py*1O2+-KK'σ2s2σ2s*2σ2pz2π2px2π2py2π2px*1π2py*0Bond order in O2-2=10-82=1; O2-=10-72=1.5; O2=10-62=2; O2+=10-52=2.5;O — O bond length inO2-2>O2->O2>O2+Talk to our academic expert!
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