Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Which of the following statements is/are incorrect :
A
The value of magnetic quantum number (m) cannot exceed the value of principal quantum number (n) for the same electron.
B
If the electronic configuration of 6 C is written as 1s 6 , then Aufbau’s principle has been violated.
C
The + 
and – 
values of spin quantum number denote clockwise and anticlockwise spin of electrons on its axis respectively.
and – values of spin quantum number denote clockwise and anticlockwise spin of electrons on its axis respectively.
D
The maximum number of electrons in a particular subshell, for which value of azimuthal quantum number is λ , is given by (4 λ +2).
Text Solution
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(b,c)
If the electronic configuration of 6 C is written as 1s 6 , then Pauli exclusion principle has been violated.
The + 
and – 
values of spin quantum number denote two quantum mechanical spin states, which have no classical analogue.
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