AIPMT MAINS2009Chemistry-Structure of Atom
AIPMT MAINS 2009 Chemistry Quantum Numbers MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following is not permissible arrangement of electrons in an atom?
A
n = 5, l = 3, m = 0, s = + 1/2
B
n = 3, l = 2, m = -3, s = - 1/2
C
n = 3, l = 2, m = -2, s = - 1/2
D
n = 4, l = 0, m = 0, s = - ?
Correct Answer
Option B
Detailed Explanation
The magnetic quantum number m must be within the range of -l to +l. For l = 2, m cannot b.
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