Bond dissociation energies of H 2 , Cl 2 and HCl ( g) are 104, 58 and 103 kcal mol –1…
Chemistry · Class 11 · CBSE — Thermodynamics
Bond dissociation energies of H2, Cl2 and HCl(g) are 104, 58 and 103 kcal mol–1 respectively. Calculate the enthalpy of formation of HCl gas.
- –22 kcal
- 22 kcal
- 184 kcal
- –184 kcal
Answer
(A) –22 kcal
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Bond energies of H H and Cl Cl are 430 kJ mol –1 and 242 kJ mol –1 respectively. D H f for HCl is 91 kJ mol…
- Study the given graph and choose the correct option.
- Which of the following statements regarding Gibb’s energy change is correct?
- What will be the heat of reaction for the following reaction? Will the reaction be exothermic or endothermic?…
- Dissolution of ammonium chloride in water is an endothermic reaction, yet it is a spontaneous process. This…
- A reaction is at equilibrium at 100°C and the enthalpy change for the reaction is 42.6 kJ mol –1 . What will…
- For the reaction : H 2( g ) + Cl 2( g ) → 2HCl; D H = – 44 kcal What is the enthalpy of decomposition of HCl?
- System in which there is no exchange of matter, work or energy from surrounding is
More Thermodynamics questions · Browse all practice questions