Chemical Thermodynamics – Enthalpy, Hess's Law, Bond Enthalpy
Chemistry · Grade 11 · Week 16 · 25 questions
Chemical Thermodynamics is a core Grade 11 chemistry chapter covering Enthalpy, Hess's Law, and Bond Enthalpy. Clear understanding here pays off in competitive exams (JEE/NEET) where speed matters.
What you'll practise
- Calculate Enthalpy
- State and apply Hess's Law
- Calculate Bond Enthalpy
- Apply chemical thermodynamics concepts to NCERT exercise and exemplar problems
All 25 questions in this Chemical Thermodynamics – Enthalpy, Hess's Law, Bond Enthalpy quiz
Grade 11 Chemistry — Chemical Thermodynamics – Enthalpy, Hess's Law, Bond Enthalpy: 25 practice questions with instant scoring and explanations.
- Standard enthalpy of formation ΔH°f of elements in standard state:
- ΔH°f of H₂O(l) at 298 K is:
- Exothermic reaction has:
- Endothermic reaction has:
- Hess's law is a consequence of:
- Hess's law states ΔH of reaction is:
- Born-Haber cycle uses ___ law:
- Enthalpy of combustion is always:
- Enthalpy of neutralization (strong acid + strong base):
- Enthalpy of atomization is:
- Bond enthalpy is energy to break:
- ΔH of reaction from bond enthalpies =
- Mean bond enthalpy of C−H in CH₄ is:
- Enthalpy of sublimation = ΔH_fusion +
- Enthalpy of vaporization of water at 100°C:
- Enthalpy of fusion of ice at 0°C:
- Standard state of carbon is:
- ΔH°_reaction from ΔH°f: ΔH° =
- Enthalpy of solution is:
- Heat of combustion of 1 mol C:
- Calorific value is defined for:
- Enthalpy of solution of NaOH in water is:
- ΔH of reversing a reaction:
- For 2H₂(g) + O₂(g) → 2H₂O(l), ΔH =
- Enthalpy depends on:
Question 1 of 250 correct so far