The energy required to dislodge electron from excited isolated H-atom, IE 1 = 13.6 eV is

Chemistry · JEE Main · NTA Exams — Atomic Structure

1. = 13.6 eV
2. > 13.6 eV
3. < 13.6 and > 3.4 eV
4. \(\leq 3.4 \mathrm{eV}\)

Answer

(D) 3.4 eV

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