Atomic StructureHard

Question

For an atom or ion having single electron, compare the energies of the following orbitals.

S1 = A spherically symmetrical orbital having two spherical nodes.

S2 = An orbital which is double dumb-bell and has no radial node.

S3 = An orbital with orbital angular momentum zero and three radial nodes.

S4 = An orbital having one planar and one radial node.

Options

A.S1 = S2 = S3 = S4
B.S1 = S2 = S4 < S3
C.S1 > S2 > S3 > S4
D.S1 < S4 < S3 < S2

Solution

S1 = 3s; S2 = 3d; S3 = 4s; S4 = 3p

For single electron system 3s = 3p = 3d < 4s

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