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Using the data (all values are in kJ/mole at 25^(@) C given below H_("combustion" )^(@)(ethane) = - 1559.8 , Delta H_("combustion")^(@)(ethene) = -1410.9 DeltaH_("combustion")^(@)(acetylene) = -1299.7 , Delta H_("combustion")^(@)(acetaldehyde) = -1192.3 Delta H_(f)^(@)CO_(2) (g) = -393 .5 , Delta H_(f)^(@)of H_(2) O (l) = -258.8 Delta H^(@) for C_((s)) (graphite) to C_((g)) = + 716.68 , Bond energy of H - H = 435.94 Bond energy of O = O = 498.94 Calculating the following bond energies : (i) C - C "" (ii)C - H (iii) C = 0 (iv) C = C (v) C = C |
| Answer» SOLUTION :`C - C = 97.81 KJ , C - H = 454. 64 kJ , C = O = 804.26 kJ , C = C = 434.3 kJ, C = C = 733.48` kJ | |