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Engineering Chemistry Unit 1 – Atomic Structure, Advanced Materials and Green Chemistry: important questions for AKTU

Unit 1 (Atomic Structure, Advanced Materials and Green Chemistry) questions that AKTU repeats most often. This unit carries about 27 marks per paper. Start with the repeated questions, then the most asked topics.

Most repeated Unit 1 questions

  • 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) – also asked in 2021, 2022, 2023, 2024, 2025
  • What are the Anisotropic crystals? How it is classified on the basis of temperature? Also give important applications. (7 marks, 2024, Liquid Crystals) – also asked in 2021, 2022, 2023, 2025, 2026
  • Draw the molecular orbital diagram of NO and N2 molecules. Calculate their bond order and predicts their magnetic behavior. (7 marks, 2024, Molecular Orbital Theory) – also asked in 2021, 2022, 2023, 2025, 2026

Most important Unit 1 topic

  • Molecular Orbital Theory (Unit 1: Atomic Structure, Advanced Materials and Green Chemistry) – asked 19 times in 2021, 2022, 2023, 2024, 2025, 2026

Most asked Unit 1 topics

  • Molecular Orbital Theory – asked 19 times
  • Nanomaterials – asked 12 times
  • Liquid Crystals – asked 8 times

More 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)
  • 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)

Unit 1 syllabus topics

  • Molecular Orbital Theory
  • Liquid Crystals
  • Graphite and Fullerene
  • Nanomaterials
  • Green Chemistry