Atomic StructureMedium

Question

Arrange the following atomic orbitals of multi electron atoms in order of increasing energy.

A) n = 3 ℓ = 2 m = +1
B) n = 4 ℓ = 0 m = 0
C) n = 6 ℓ = 1 m = 0
D) n = 5 ℓ = 1 m = +1
E) n = 2 ℓ = 1 m = +1

Choose the correct answer from the options given below:

Options

A.C < D < B < A < E
B.B < A < E < C < D
C.E < C < D < B < A
D.E < B < A < D < C

Solution

Sol.

(A) n = 3 ℓ = 2 m = +1 ; (n + ℓ) = 5
(B) n = 4 ℓ = 0 m = 0 ; (n + ℓ) = 4
(C) n = 6 ℓ = 1 m = 0 ; (n + ℓ) = 7
(D) n = 5 ℓ = 1 m = +1 ; (n + ℓ) = 6
(E) n = 2 ℓ = 1 m = +1 ; (n + ℓ) = 3

More the value of (n + ℓ), more will be the energy of that particular orbital.

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