Engineering Chemistry Unit 1 – Atomic Structure, Advanced Materials and Green Chemistry: AKTU previous year questions
48 AKTU questions from Unit 1 (Atomic Structure, Advanced Materials and Green Chemistry) asked in 2021–2026, tagged by marks, year and topic. In short: about 27 marks of every paper come from this unit; the most asked topic is Molecular Orbital Theory (19 times); 41 questions came back in a later year. The latest ones are listed below; on the page you can filter them by 2-mark or long questions, topic and repeats.
Unit 1 previous year questions
- What are nanomaterials? How are they different from bulk materials? (2 marks, 2026, Nanomaterials)
- Draw the structure of Fullerene (C60). (2 marks, 2026, Graphite and Fullerene)
- Describe the types of liquid crystals with suitable examples. (7 marks, 2026, Liquid Crystals)
- Draw and explain the Molecular Orbital (MO) diagrams of N₂ and O₂ molecules. Calculate their bond order and predict their magnetic behaviour. (7 marks, 2026, Molecular Orbital Theory)
- Compare the synthesis of Paracetamol by conventional and green chemistry routes. Which route is more environment-friendly and why? (7 marks, 2026, Green Chemistry)
- Arrange the following molecules or ions in increasing order of bond length. O2, O2++ & O2-2 (2 marks, 2025, Molecular Orbital Theory)
- Is it possible to achieve 100% waste-free chemical manufacturing? If not, what are the limitations? (2 marks, 2025, Green Chemistry)
- Why do some cholesteric liquid crystals reflect only certain wavelengths of light while others do not? (2 marks, 2025, Liquid Crystals)
- F2 is diamagnetic while O2 is paramagnetic, how? (2 marks, 2025, Molecular Orbital Theory)
- If a bulk material is optically transparent, will its nanomaterial counterpart also be transparent? Justify with an example. (7 marks, 2025, Nanomaterials)
- Show the molecular orbital's of HF molecule and calculate the bond order. (7 marks, 2025, Molecular Orbital Theory)
- How can the 12 Principles of Green Chemistry be applied to cement production to reduce environmental impact? (7 marks, 2025, Green Chemistry)
Most asked Unit 1 topics
- Molecular Orbital Theory – asked 19 times
- Nanomaterials – asked 12 times
- Liquid Crystals – asked 8 times
Unit 1 question pattern
- 2-mark questions: 17 asked in 2021–2026
- 7-mark questions: 22 asked in 2021–2026
- 10-mark questions: 9 asked in 2021–2026
- About 27 marks from Unit 1 in every paper
- 41 questions were asked again in a later year
Unit 1 questions year by year
- 2026: 5 Unit 1 questions asked (25 marks across that year's papers)
- 2025: 11 Unit 1 questions asked (57 marks across that year's papers)
- 2024: 9 Unit 1 questions asked (48 marks across that year's papers)
- 2023: 8 Unit 1 questions asked (46 marks across that year's papers)
- 2022: 10 Unit 1 questions asked (68 marks across that year's papers)
- 2021: 5 Unit 1 questions asked (34 marks across that year's papers)