Chemical Thermodynamics
128 JEE Mains Chemistry previous year questions (PYQs) from 70 papers, 2021 to 2026, with answers and worked solutions.
About this chapter
- Most-asked subtopics: Entropy, Gibbs Energy and Spontaneity (20), Work of Expansion (20), Heat Capacity, Calorimetry and Enthalpy vs Internal Energy (19).
- Updated 6 August 2026.
#1Systems, State Functions and the First Law
#2Systems, State Functions and the First Law
#3Systems, State Functions and the First Law
#4Systems, State Functions and the First Law
#5Systems, State Functions and the First Law
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#6Systems, State Functions and the First Law
#7Systems, State Functions and the First Law
#8Systems, State Functions and the First Law
#9Systems, State Functions and the First Law
#10Systems, State Functions and the First Law
#11Systems, State Functions and the First Law
#12Systems, State Functions and the First Law
#13Work of Expansion
#14Work of Expansion
#15Work of Expansion
#16Work of Expansion
#17Work of Expansion
#18Work of Expansion
#19Work of Expansion
#20Work of Expansion
#21Work of Expansion
#22Work of Expansion
#23Work of Expansion
- JEE Mains · 2025 · 3 Apr 2025 · Q122ModerateHas image
#24Work of Expansion
- JEE Mains · 2025 · 2 Apr 2025 · Q31ModerateHas image
#25Work of Expansion
#26Work of Expansion
#27Work of Expansion
#28Work of Expansion
#29Work of Expansion
#30Work of Expansion
#31Work of Expansion
#32Work of Expansion
#33Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
#34Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
#35Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
#36Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
#37Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
#38Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
#39Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
#40Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
#41Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
#42Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
#43Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
#44Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
#45Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
#46Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
#47Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
#48Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
#49Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
#50Heat Capacity, Calorimetry and Enthalpy vs Internal Energy
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