Which of the following statements in relation to the hydrogen atom is correct?
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a
3s, 3p and 3d orbitals all have the same energy
b
3s and 3p orbitals are of lower energy then 3d orbital
c
3p orbital is lower in energy than 3d orbital
d
3s orbital is lower in energy than 3p orbital
answer is A.
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Detailed Solution
In one electron species, such as H-atom, the energy of orbital depends only on the principal quantum number, n. Hence answer (d) i.e. 1s<2s = 2p< 3s = 3p = 3d < 4s = 4p = 4d= 4f