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Chemistry - Chemical Bonding and Molecular Structure

Practise 75 COMEDK previous year questions on Chemical Bonding and Molecular Structure, compiled from papers spanning 2012 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty COMEDK tests.

Chemical Bonding and Molecular Structure has been asked in 15 of the 15 years of COMEDK papers analysed (2012–2026), with 75 questions in all. 23% of them were easy, 69% moderate and 8% tough. Most of its questions came from 2024, with 14 questions that year. In the last three years (2024–2026) it had 31 questions across 10 papers, about 3.1 per paper.

The chapter's 7 topics are not weighted equally: Hybridisation and VSEPR Theory (24 questions, 32%), Molecular Orbital Theory (23 questions, 31%), and Dipole moment (10 questions, 13%) have been asked the most. Hybridisation and VSEPR Theory has also led over the last five years, with 16 questions. Ionic bond has produced the most tough questions (2).

  1. 1The hybridisation of atomic orbitals of nitrogen in , and are respectively09 May, 2026 (S1)Hybridisation and VSEPR Theory
  2. 2Which of the following options represent the correct bond order?09 May, 2026 (S1)Molecular Orbital Theory
  3. 3The highest dipole moment is for:09 May, 2026 (S1)Dipole moment
  4. 4The number of bond pairs and lone pairs of electrons in the molecule is:09 May, 2026 (S2)Hybridisation and VSEPR Theory
  5. 5According to Molecular orbital theory, which of the following is correct with respect to bond order?09 May, 2026 (S2)Molecular Orbital Theory
  6. 6In which of the following compounds there is a change in hybridisation of the underlined atom.25 May, 2025 (Shift)Hybridisation and VSEPR Theory
  7. 7The chloro compound having the lowest dipole moment is:25 May, 2025 (Shift)Dipole moment
  8. 8The pair of molecules that contain odd electron molecule and expanded octet.25 May, 2025 (Shift)Covalent and Co-ordinate Bonding
  9. 9Identify the correct statement.10 May, 2025 (S1)Hybridisation and VSEPR Theory
  10. 10In which one of the following pairs does the stability of the monovalent ion increase with respect to the molecule, while the magnetic chara10 May, 2025 (S1)Molecular Orbital Theory
  11. 11From the given covalent compounds (A to F) identify the pair of molecules which have: (i) Two lone pairs of electrons on the central atom. (10 May, 2025 (S1)Hybridisation and VSEPR Theory
  12. 12From among the 4 given compounds identify the compounds which possess a net dipole moment. A. cis-1,2-Dichloroethene B. Tetrachloromethane C10 May, 2025 (S2)Dipole moment
  13. 13Given are 4 pairs of covalent molecules. Identify the pair in which both molecules have the same shape.10 May, 2025 (S2)Hybridisation and VSEPR Theory
  14. 14Which one of the following molecules attains greater stability on formation of its diatomic monovalent anion?10 May, 2025 (S2)Molecular Orbital Theory
  15. 15The bond angles in the following molecules decreases in the order. and10 May, 2025 (S3)Hybridisation and VSEPR Theory
  16. 16Arrange the following in the increasing order of their covalent character.10 May, 2025 (S3)Polarization
  17. 17The maximum polarity and dipole moment among the following is:10 May, 2025 (S3)Dipole moment
  18. 18Preview not available - open to view this question.2024 (Afternoon Shift)Polarization
  19. 19The bond dissociation enthalpy of the species in their correct order is:2024 (Afternoon Shift)Molecular Orbital Theory
  20. 20In the following question a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the 2024 (Afternoon Shift)Hybridisation and VSEPR Theory
  21. 21Choose the incorrect statement from the following: A. Isoelectronic molecules/ions have the same bond order. B. Dipole moment of is greater 2024 (Evening Shift)Hybridisation and VSEPR Theory
  22. 22Which of the following two molecular species are Diamagnetic in nature?2024 (Evening Shift)Molecular Orbital Theory
  23. 23Identify the pair of molecules in which one of them is a molecule with an odd electron and the other has an expanded octet.2024 (Evening Shift)Covalent and Co-ordinate Bonding
  24. 24In the and bond angle are2024 (Memory Based)Hybridisation and VSEPR Theory
  25. 25Correct order of polarising power is2024 (Memory Based)Polarization
  26. 26Which of the following molecules have three bond pairs but different shape? (i) (ii) (iii) (iv)2024 (Memory Based)Hybridisation and VSEPR Theory
  27. 27The magnetic moment of a divalent ion in aqueous solution if the atomic number of metal is 25 will be2024 (Memory Based)Molecular Orbital Theory
  28. 28Which one of the following is most stable?2024 (Memory Based)Hybridisation and VSEPR Theory
  29. 29Identify the pair of molecules, both of which have positive values of Dipole moment.2024 (Morning Shift)Dipole moment
  30. 30On the basis of VSEPR theory, match the molecules listed in Column I with their shapes given in Column II. No. Column I No. Column II A P Se2024 (Morning Shift)Hybridisation and VSEPR Theory
  31. 31Given below are 4 molecular species/ions. Identify the species/ion which exhibits diamagnetic nature.2024 (Morning Shift)Molecular Orbital Theory
  32. 32In the following question, Assertion (A) is given followed by a statement of Reason (R). Choose the correct answer. Assertion (A): molecular2023 (Evening Shift)Molecular Orbital Theory
  33. 33Identify the correct statement describing the characteristics of molecule.2023 (Evening Shift)Molecular Orbital Theory
  34. 34Which of these represents the correct order of decreasing bond order?2023 (Memory Based)Molecular Orbital Theory
  35. 35Pick up the correct statement.2023 (Memory Based)Dipole moment
  36. 36Total number of and bonds in ethene molecule is2023 (Memory Based)Covalent and Co-ordinate Bonding
  37. 37Which of these molecules have non-bonding electron pairs on the cental atom?2023 (Memory Based)Hybridisation and VSEPR Theory
  38. 38The ion that is isoelectronic with is2023 (Morning Shift)Molecular Orbital Theory
  39. 39Pick up the correct statement.2023 (Morning Shift)Dipole moment
  40. 40Which of these molecules have non-bonding electron pairs on the cental atom?2023 (Morning Shift)Hybridisation and VSEPR Theory
  41. 41Which of these represents the correct order of decreasing bond order?2023 (Morning Shift)Molecular Orbital Theory
  42. 42Which of the following molecules does not exhibit dipole moment? (i) (ii) (iii) (iv) (v) (vi)2022Dipole moment
  43. 43Increasing order of bond order of oxygen and its ions is2022Molecular Orbital Theory
  44. 44The bond order in is2022Covalent and Co-ordinate Bonding
  45. 45Which of the following compound does not exists?2022Hybridisation and VSEPR Theory
  46. 46Find the correct order of bond length among .2021Molecular Orbital Theory
  47. 47Which of the following pairs of ions in iso-electronic and iso-structural?2021Hybridisation and VSEPR Theory
  48. 48Why do alcohols and carboxylic acids have higher boiling points as compared to aldehydes?2021Van Der Waals Forces, Hydrogen Bonding and Metallic Bonding
  49. 49Find the compound which have both polar and non-polar covalent bonds.2021Dipole moment
  50. 50In acetylene molecule, between the carbon atoms there are2020Covalent and Co-ordinate Bonding

Frequently Asked Questions

1.How many questions are available for Chemical Bonding and Molecular Structure?

This chapter includes 75 questions compiled from COMEDK papers spanning 2012 to 2026.

2.Are these questions only from COMEDK, or from other exams too?

These are COMEDK questions specifically for the Chemical Bonding and Molecular Structure chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Chemical Bonding and Molecular Structure an important chapter for COMEDK Chemistry?

Chemical Bonding and Molecular Structure has appeared in 15 of the 15 years of COMEDK papers covered here, with 75 questions across 24 papers - about 3 per paper it appears in.

4.What is the difficulty level of Chemical Bonding and Molecular Structure questions in COMEDK?

Of the 75 questions analysed for this chapter, 23% are easy, 69% moderate and 8% tough. 2024 had the most, with 14 questions.

5.Which topics in Chemical Bonding and Molecular Structure should I focus on?

These topics have carried the most weightage in Chemical Bonding and Molecular Structure:

  • Hybridisation and VSEPR Theory - 24 questions (32%)
  • Molecular Orbital Theory - 23 questions (31%)
  • Dipole moment - 10 questions (13%)
  • Ionic bond has produced the most tough questions (2).
6.Is Chemical Bonding and Molecular Structure's weightage in COMEDK going up or down?

Across all 24 papers analysed, Chemical Bonding and Molecular Structure has averaged about 3.1 questions per paper. In the last three years (2024–2026), that average has stayed about the same, at about 3.1 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.