Energy required to dislodge electron h- atom, Chemistry

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The energy required to dislodge electron from excited isolated H-atom, IE₁= 13.6 eV is:

(1) = 13.6eV

(2) > 13.6eV

(3) < 13.6and > 3.4 eV

(4)≤ 3.4 eV

Ans: ≤ 3.4 eV

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