Thermodynamics in NSEC: previous year question analysis
Thermodynamics has appeared 54 times in NSEC between 2007 and 2025, making it the 12th most-asked of 29 chapters and about 4.1% of the bank. Over the last 5 years it has averaged 3.4 questions per year.
Total PYQs
54
Years covered
2007–2025
Weightage rank
#12 of 29
Share of bank
4.1%
How many Thermodynamics questions appeared each year
| Year | Questions | Relative volume |
|---|---|---|
| 2012 | 3 | |
| 2013 | 2 | |
| 2014 | 4 | |
| 2015 | 3 | |
| 2016 | 4 | |
| 2017 | 5 | |
| 2018 | 6 | |
| 2019 | 4 | |
| 2022 | 5 | |
| 2023 | 3 | |
| 2024 | 3 | |
| 2025 | 2 |
Which Thermodynamics sub-topics are asked most
Every question in this chapter is tagged to a sub-topic, so you can see exactly where the marks sit before you revise.
- Gibbs free energy / spontaneity2 questions
- Hess's law2 questions
- Adiabatic process / entropy1 questions
- State function / cyclic process1 questions
- Born-Haber cycle / lattice energy1 questions
- Gibbs free energy and spontaneity1 questions
- Adiabatic process / first law1 questions
- Enthalpy of formation vs combustion1 questions
- Intensive and extensive properties1 questions
- Enthalpy of combustion / Hess's law1 questions
Question formats used in Thermodynamics
- Single-correct MCQ50
- Multiple-correct MCQ4
How Thermodynamics compares with nearby chapters
- #10Electrochemistry58
- #11Chemical Kinetics55
- #12Thermodynamics54
- #13Structure of Atom51
- #14Haloalkanes & Haloarenes46
Counts are computed from AcadXL’s own NSEC question bank, tagged chapter- and sub-topic-wise and checked against official answer keys. Sign in to attempt the 54 Thermodynamics questions with solutions.