#### Which one of the following species is diamagnetic in nature? Option 1) Option 2) Option 3) Option 4)

As we learnt

Magnetic behaviour of molecule -

If  all the molecular orbitals in a molecule are doubly occupied, the substance is diamagnetic

- wherein

However if one or more molecular orbital are singly occupied it is paramagnetic e.g. O2

Due to absence of unpaired electrons, will be diamagnetic

Option 1)

This option is incorrect.

Option 2)

This option is correct.

Option 3)

This option is incorrect.

Option 4)

This option is incorrect.

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