Question: (a) Using average bond enthalpies, predict which of the following reactions will be most exothermic: (i) C(g) + 2 F2 (g) CF4 (g) (ii) CO

(a) Using average bond enthalpies, predict which of the following reactions will be most exothermic:
(i) C(g) + 2 F2 (g) CF4 (g)
(ii) CO (g) + 3F2 → CF4 (g) + OF2 (g)
(iii) CO2 (g) + 4F2 → CF4 (g) + 2OF2 (g)
(b) Explain the trend, if any, which exists between reaction exothermicity and the extent to which the carbon atom is bonded to oxygen.

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