Chlorine monofluoride can react with fluorine to form chlorine trifluoride:
(i) ClF(g) + F2(g) ⟶ ClF3(g) ΔrH° = ?
Use the reactions below to determine the ΔrH° for reaction (i):
(ii) 2 OF2(g) ⟶ O2(g) + 2 F2(g) ΔrH°(ii) = -49.4 kJ/mol
(iii) 2 ClF(g) + O2(g) ⟶ Cl2O(g) + OF2(g) ΔrH°(iii) = +205.6 kJ/mol
(iv) ClF3(g) + O2(g) ⟶ ½ Cl2O(g) + OF2(g) ΔrH°(iv) = +266.7 kJ/mol
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