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Q.

Which one is a wrong statement? 

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a

The electronic configuration of N – atom is 

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b

 An orbital is designated by three quantum numbers while an electron in an atom is designated by four quantum numbers

 

c

  Total orbital angular momentum of electron in ‘s’ orbital is equal to zero

d

  The value of m for dz is zero  

answer is A.

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Detailed Solution

According to Hund’s rule “ the paining of electrons in the orbitals of a particular subshell does not takes place until all the orbitals of a subshell are singly occupied moreover, the singly orbitals must have the electrons with parallel spin i.e.  

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Option (a) is the incorrect option

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