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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
Highest covalent character is found in: (a1 CaF 2 (2) CaCl 2 (3) CaBr 2 (4)
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