Q. 68

In which of the following molecules, σ2pz molecular orbital is filled after π2px and π2py molecular orbitals?

(i) O2

(ii) Ne2

(iii) N2

(iv) F2

Answer :

(iii);

In the atoms having electron less than or equal to the 14 electrons, the σ2pz molecular orbital is filled after π2px and π2py molecular orbitals.


Only nitrogen in the above options has 14 electrons other options have more than 14 electrons.


Thus, in nitrogen, the σ2pz molecular orbital is filled after π2px and π2py molecular orbitals.


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