According to VBT,, which of the following overlapping results pi - type covalent bond in O 2 molecule formation,, when Z - axis is internuclear axis??

I.. 2s 2s II.. 2p x 2p x III.. 1s 1s IV.. 2p y 2p y V.. 2p z 2p z

Dear student,

The electronic configuration of oxygen is 1s22s22p4.
The paired electrons in 2s forms one lone pair of electrons. The paired electrons in 2px  forms another lone pair of electrons.
According to VBT, The internuclear axis corresponds to sigma bond.
Hence, pi bond is formed by 2py-2py.
Hope this information will clear your doubts about topic.

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