Question

Which of the following set of quantum number not allowed. * 1 point (a) n = 3, l = 1, m = +2 (b) n = 3, l = 1, m = +1 (c) n = 3, l = 0, m = 0 (d) n = 3, l = 2, m = +2​

Answer 1

Answer:

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Answer 2

The option (a) is correct and it doesn't have the correct set of quantum numbers

• There are four types of quantum numbers Principal quantum numbers (n) ,Azimuthal quantum numbers (l), magnetic quantum numbers (m) and spin quantum numbers (s).
• For s , p , d, f subshell the value of azimuthal quantum number are 0,1,2,3 respectively.
• The value of magnetic quantum number for 's' subshell is 0 , for p subshell it can be (-1 ,0,+1) , for d subshell (-2 , -1,0,+1,+2) and for the f subshell  it can be ( -3 ,-2 , -1,0,+1,+2,+3).

In the option (a) You can see that the value of m is +2 which can't be possible for l=1 means foe the p subshell .