As an electron is brought from an infinite distance close to nucleus of atom, the energy of electron
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a
Increases to a greater +ve value
b
Decreases to a smaller +ve value
c
Increases to a smaller –ve value
d
Decreases to a greater –ve value
answer is D.
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Detailed Solution
En=-Z2n2E1E∞ = 0 (n = ∞)E1 = - E1 (n = 1)decreases to greater negative value.-0.54 eV, -0.85 eV, -1.51 eV, -3.4 eV and -13.6 eV are the energies of 5th,4th,3rd,2nd and 1st orbits respectively.