The combustion of one mole of benzene takes place at 298 K and 1 atm. After combustion, CO2(g) and H2O (l)
are produced and 3267.0 kJ of heat is liberated.
The standard enthalpy of formation, ∆fH⊖ of benzene is:
(Standard enthalpies of formation of CO2(g) and are –393.5 kJ mol–1 and – 285.83 kJ mol–1 respectively.)
1. 54. 24 kJ mol–1
2. 48. 51 kJ mol–1
3. 66. 11 kJ mol–1
4. 15. 21 kJ mol–1
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