Which of the following set of quantum numbers correctly describes an electron in a 5d orbital? a) n = 5, l = 3, ml = +3, ms = +1/2 b) n = 5, l = 2, ml = 0, ms = +1/2 c) n = 5, l = 2, ml = +3, ms = +1/2 d) n = 5, l = 3, ml = +2, ms = +1 e) n = 5, l = 2, ml = +2, ms = +1

B.

Step-by-step explanation:

We are given that an electron in a 5d orbital

We have to find the set of quantum numbers correctly describes an electron in a 5d orbital.

We know that

n=Principle quantum number

Therefore, n=5

Angular momentum quantum number =l=0,1,2,3,..(n-1)

l=0 =s-orbital

l=1=p- orbital

l=2=d=orbital

l=3=f orbital

Therefore, l=2

Magnetic quantum number=

5d orbital have only one electron Magnetic quantum number have no fixed values

Therefore,we can take  

Spin quantum number

5d orbital have only one electron .Then, it has spin-up

Therefore,

B.

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