Which of the following sets of quantum numbers refers to a 4d orbital?
A) n = 2, = 1, = -1
B) n = 2, = 4, = -1
C) n = 4, = 2, = -1
D) n = 4, = 3, = 0
E) n = 4, = 3, = +2

Question

Which of the following sets of quantum numbers refers to a 4d orbital?
A) n = 2, = 1, = -1 
B) n = 2, = 4, = -1 
C) n = 4, = 2, = -1 
D) n = 4, = 3, = 0 
E) n = 4, = 3, = +2

Quizplus · Accepted Answer

For a given value of n, the possible values of l are from 0 to (n-1). Therefore, for n=4, possible values of l are 0, 1, 2, and 3. The d orbital has l=2, so the only option that satisfies this is C, where l=2 and ml=-1.

Which of the Following Sets of Quantum Numbers Refers to a 4d