Engineering Chemistry (BAS102) AKTU PYQ analysis – unit-wise weightage
We analysed 229 questions from 9 AKTU Engineering Chemistry papers (2022–2026). Here is how marks are spread across units and which topics keep coming back.
Engineering Chemistry unit-wise weightage
- Unit 1: Atomic Structure, Advanced Materials and Green Chemistry – 27% of questions, about 27 marks per paper
- Unit 2: Spectroscopic Techniques and Stereochemistry – 26% of questions, about 26 marks per paper
- Unit 3: Electrochemistry, Batteries, Corrosion and Engineering Materials – 25% of questions, about 25 marks per paper
- Unit 4: Water Technology and Fuels – 26% of questions, about 26 marks per paper
- Unit 5: Polymers and Organometallic Compounds – 25% of questions, about 26 marks per paper
Most repeated Engineering Chemistry topics in AKTU PYQs
- Molecular Orbital Theory
- Water Softening Techniques
- UV Spectroscopy
- Corrosion
- Calorific Value of Fuels
Unit 1 (Atomic Structure, Advanced Materials and Green Chemistry) – top topics
- Molecular Orbital Theory – asked 19 times, last in 2026
- Nanomaterials – asked 12 times, last in 2026
- Liquid Crystals – asked 8 times, last in 2026
Unit 2 (Spectroscopic Techniques and Stereochemistry) – top topics
- UV Spectroscopy – asked 15 times, last in 2026
- IR Spectroscopy – asked 14 times, last in 2026
- NMR Spectroscopy – asked 11 times, last in 2026
Unit 3 (Electrochemistry, Batteries, Corrosion and Engineering Materials) – top topics
- Corrosion – asked 15 times, last in 2026
- Basic Electrochemistry Concepts – asked 9 times, last in 2026
- Cement – asked 8 times, last in 2026
Unit 4 (Water Technology and Fuels) – top topics
- Water Softening Techniques – asked 16 times, last in 2026
- Calorific Value of Fuels – asked 15 times, last in 2026
- Coal Analysis – asked 6 times, last in 2025
Unit 5 (Polymers and Organometallic Compounds) – top topics
- Classification of Polymers – asked 14 times, last in 2026
- Industrial Polymers Properties Applications – asked 12 times, last in 2026
- Organometallic Compounds – asked 12 times, last in 2026