🧪Chapter Practice
Chemical Thermodynamics — JEE Practice
59 practice questions across 4 topics. Filter by difficulty, solve topic-wise MCQs, and review detailed solutions.
4 Topics59 Questions
First Law & Enthalpy(15 Qs)
easy (5)
medium (5)
Entropy & Gibbs Energy(15 Qs)
easy (5)
medium (5)
hard (5)
Q1ΔG° for the reaction A → B is -4.606 kJ at 298 K. The equilibrium constant K is:Q2Trouton's rule states that ΔH_vap/T_bp ≈:Q3For a galvanic cell, the maximum work obtainable is:Q4Entropy change when 1 mol of ice melts at 273 K (ΔH_fus = 6 kJ/mol) is:Q5For a process to be spontaneous at all temperatures, the conditions are:
Enthalpy & Hess's Law(15 Qs)
easy (5)
medium (6)
Q1Given: C(s) + O₂(g) → CO₂(g), ΔH = −393.5 kJ and CO(g) + ½O₂(g) → CO₂(g), ΔH = −283 kJ. The ΔH for C(s) + ½O₂(g) → CO(g) is:Q2The enthalpy of neutralisation of a strong acid with a strong base is approximately:Q3For the reaction N₂ + 3H₂ → 2NH₃, if ΔH = −92.4 kJ, the enthalpy of formation of NH₃ is:Q4Bond energy of H−H is 436 kJ/mol and Cl−Cl is 242 kJ/mol. If H−Cl bond energy is 431 kJ/mol, ΔH for H₂ + Cl₂ → 2HCl is:Q5Kirchhoff's equation relates ΔH at two temperatures using:Q6Lattice energy can be determined using:
hard (4)
Q1The resonance energy of benzene can be calculated from the difference between:Q2For the reaction 2A + B → C, ΔH = −100 kJ. If ΔH_f(A) = 50 kJ/mol and ΔH_f(B) = −30 kJ/mol, ΔH_f(C) is:Q3At what temperature does the reaction become spontaneous if ΔH = +40 kJ and ΔS = +100 J/K?Q4The integral heat of solution of NaOH is −42.6 kJ/mol. If 2 mol NaOH dissolves in large volume of water, heat released is:
Entropy & Gibbs Energy(14 Qs)
easy (5)
medium (5)
hard (4)
Q1For an ideal gas expanding isothermally from V₁ to V₂, ΔS_system is:Q2The efficiency of a Carnot engine operating between 500 K and 300 K is:Q3For the reaction A → B, if ΔG° = −5.7 kJ at 298 K, the equilibrium constant K is approximately:Q4The Clausius inequality states that for any cyclic process:
More Chemistry Chapters
Need Help with Chemical Thermodynamics?
Get 1-on-1 doubt sessions and personalised practice analysis with our JEE Chemistry coaching mentors.