question_answer

According to Hund's rule of maximum multiplicity, "The pairing of electrons in the orbitals of a particular sub-shell (p, d or f) does not take place until all the orbitals of a sub-shell are singly occupied." The ground state electronic configuration of nitrogen \[(N=1{{s}^{2}}, 2{{s}^{2}},\,\,2{{p}^{3}})\] can be represented as

A)        

B)  

C)          

D) Both [a] and [c]

Correct Answer: D

Solution :

In both two cases   Hund?s rule of maximum multiplicity is follow.