Question

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The energies of orbitals of H-atom are in the order
(1) 3s < 3p < 4s < 3d < 4p
(2) 3s 3p < 3d < 4s < 4p
(3) 3s = 3p = 3d < 4s = 4p
(4) 3s = 3p = 3d < 4s < 4p​

Answer 1

Answer:

3 is the answer which is same energy is s and p

Answer 2

OPTION 3) 3s=3p=3d<4s=4p

is a correct answer

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