Ionization enthalpy of oxygen is 13.6 eV/atom. Energy required to ionize eight grams of oxygen is

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328 kJ

1312 kJ

656 kJ

164 kJ

answer is C.

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Detailed Solution

Og→O+g , ∆iH=13.696.45 kJ ; 16 grams of oxygen require 13.696.45 kJ. 8 grams of oxygen require ----'X' kJ. 'X'=13.696.45 kJ2=656 kJ ;

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