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Question 21124
NEET Chemistry · Hard

Structure of Atom: NEET trap MCQ

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NEET trapHardQuestion 21124

Question

The set of quantum numbers not allowed for an electron is:

  1. A
    n = 2, l = 2, m = 0, s = +1/2
    Correct
  2. B
    n = 3, l = 2, m = -1, s = -1/2
  3. C
    n = 2, l = 1, m = 0, s = +1/2
  4. D
    n = 1, l = 0, m = 0, s = -1/2

Correct answer

n = 2, l = 2, m = 0, s = +1/2

Explanation

For n = 2, l can only be 0 or 1.

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