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Solution


Q.

Which one is a wrong statement              [2018]
1 Total orbital angular momentum of electron in s-orbital is equal to zero.  
2 An orbital is designated by three quantum numbers while an electron in an atom is designated by four quantum numbers.  
3 The electronic configuration of N atom is  
4 The value of m for dz2 is zero.  

Ans.

(3)

According to Hund’s rule of maximum multiplicity, the correct configuration of ‘N’ is