Chemical Thermodynamics and Energetics
199 MHT-CET Chemistry previous year questions (PYQs) from 68 papers, 2021 to 2026, with answers and worked solutions.
About this chapter
- Difficulty: 94 easy · 100 moderate · 5 hard.
- Most-asked subtopics: First Law of Thermodynamics, Internal Energy and Work (76), Thermochemistry, Hess's Law and Bond Enthalpy (42), Gibbs Free Energy and Spontaneity (23).
- Updated 13 October 2026.
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- Alkynes15
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- Aromatic Compounds51
- Basic Principles of Organic Chemistry72
- Biomolecules150
- Chemical Bonding and Molecular Structure96
- Chemical Kinetics205
- Coordination Compounds140
- Electrochemistry197
- Elements of Group 1 and 259
- Elements of Group 16, 17 and 1880
- Green Chemistry and Nanochemistry63
- Halogen Derivatives of Alkanes137
- Introduction to Polymer Chemistry139
- Ionic Equilibria201
- Modern Periodic Table26
- Redox Reactions73
- Solid State205
- Solutions and Colligative Properties208
- Some Basic Concepts of Chemistry80
- States of Matter54
- Structure of Atom99
- Surface Chemistry68
- Transition and Inner Transition Elements126