Chemical Thermodynamics

6 solved questions from Class 11 Chemistry, each with the full working. Tap any question to see the step-by-step solution.

• 1 What is the primary chemical reaction or bonding mechanism highlighted in 'Chemical Thermodynamics' (Class 11)? medium MCQ Reaction Mechanism & Bonding
• 2 What factor affects the rate or equilibrium constant of reactions in 'Chemical Thermodynamics'? medium MCQ Chemical Kinetics & Factors
• 3 Which functional group or IUPAC nomenclature rule applies to compounds in 'Chemical Thermodynamics'? medium MCQ IUPAC Nomenclature & Structure
• 4 What is the major product obtained in the characteristic reaction of 'Chemical Thermodynamics'? medium MCQ Reaction Products & Selectivity
• 5 Which thermodynamic quantity, at constant temperature and pressure, determines whether a reaction is spontaneous? medium MCQ 3 marks Spontaneity criterion
• 6 Calculate the enthalpy change for the combustion of 2 mol of methane (CH4) at standard conditions. Use the following standard enthalpies of formation: ΔHf°(CH4) = –74.8 kJ mol⁻¹, ΔHf°(CO₂) = –393.5 kJ mol⁻¹, ΔHf°(H₂O(l)) = –285.8 kJ mol⁻¹. The combustion reaction is CH₄ + 2 O₂ → CO₂ + 2 H₂O. easy 2 marks Enthalpy change calculation