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NEETChemistryThermodynamics (C)

The combustion of one mole of benzene takes place at 298 K and 1 atm. After combustion, CO 2 (g) and H 2 O(l) are produced and 3267.0 kJ of heat is liberated. Calculate the standard enthalpy of formation, ∆ f H ⊖ of benzene. (Standard enthalpies of formation of CO 2 (g) and H 2 O(l) are –393.5 kJ mol –1 and – 285.83 kJmol –1 respectively)

Options

  1. A–33.25 kJ mol –1
  2. B–56.43 kJ mol –1
  3. C–48.51 kJ mol –1
  4. D–65.78 kJ mol –1

Correct answer

C. –48.51 kJ mol –1

Step-by-step solution

Correct Option is : (C) –48.51 kJ mol –1

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