With increasing quantum number the energy difference between adjacent orbits of hydrogen atom
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★ → With increase in quantum number the energy difference between adjacent levels in atOMS decreases.
As,
Energy of first orbital is -13.6eV
seconds orbital (energy)= -3.4eV
Third orbital (energy)= - 1.51eV
Fourth orbital energy = -0.85eV
Fifth orbit (energy) = -0.53eV
.
.
.
.
At infinity Energy is zero
so,
E2-E1 = 10.2 ev
E3-E2 = 1.89eV
E4- E3 = 1.66ev
E5 - E4 = 0.31ev........so on..
Hence,
(E2 - E1) > ( E3 - E2) > ( E4 - E3) > (E5-E4)
Happy to help
:)
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