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Chemistry - Chemical Bonding and Molecular Structure

Practise 34 JEE Advanced previous year questions on Chemical Bonding and Molecular Structure, compiled from papers spanning 2006 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 JEE Advanced tests.

Chemical Bonding and Molecular Structure has been asked in 16 of the 27 years of JEE Advanced papers analysed (2000–2026), with 34 questions in all. 29% of them were easy, 50% moderate and 21% tough. Most of its questions came from 2026, with 3 questions that year. In the last three years (2024–2026) it had 7 questions across 6 papers, about 1.2 per paper.

The chapter's 5 topics are not weighted equally: Molecular Orbital Theory (15 questions, 44%), Hybridisation and VSEPR Theory (12 questions, 35%), and Covalent and Co-ordinate Bonding (3 questions, 9%) have been asked the most. Over the last five years the most frequent topics have been Hybridisation and VSEPR Theory (5), Molecular Orbital Theory (3), and Covalent and Co-ordinate Bonding (1). Hybridisation and VSEPR Theory has produced the most tough questions (5).

  1. 1The correct order of dipole moments for the given species is2026 (Paper 1)Dipole moment
  2. 2Consider the following species: , , , , , , , List-I contains different molecular shapes and List-II contains total number of species with t2026 (Paper 1)Hybridisation and VSEPR Theory
  3. 3The correct order of ONO bond angle in the given species is2026 (Paper 2)Hybridisation and VSEPR Theory
  4. 4Regarding the molecular orbital (MO) energy levels for homonuclear diatomic molecules, the INCORRECT statement(s) is(are)2025 (Paper 1)Molecular Orbital Theory
  5. 5The correct statements (s) about intermolecular forces is(are)2025 (Paper 2)Van Der Waals Forces, Hydrogen Bonding and Metallic Bonding
  6. 6The option(s) in which at least three molecules follow Octet Rule is(are)2024 (Paper 1)Covalent and Co-ordinate Bonding
  7. 7Based on VSEPR model, match the xenon compounds given in List-I with the corresponding geometries and the number of lone pairs on xenon give2024 (Paper 1)Hybridisation and VSEPR Theory
  8. 8The correct molecular orbital diagram for F 2 molecule in the ground state is2023 (Paper 2)Molecular Orbital Theory
  9. 9Among I 3 + , SiO 4 4 - , SO 2 Cl 2 , XeF 2 , SF 4 , ClF 3 , Ni CO 4 , XeO 2 F 2 , PtCl 4 2 - , XeF 4 , and SOCl 2 , the total number of spe2023 (Paper 2)Hybridisation and VSEPR Theory
  10. 10For diatomic molecules, the correct statement(s) about the molecular orbitals formed by the overlap of two 2 p z orbitals is(are)2022 (Paper 1)Molecular Orbital Theory
  11. 11Thermal decomposition of AgNO 3 produces two paramagnetic gases. The total number of electrons present in the antibonding molecular orbitals2022 (Paper 2)Hybridisation and VSEPR Theory
  12. 12Consider the following compounds in the liquid form: O 2 , HF , H 2 O , NH 3 , H 2 O 2 , CCl 4 , CHCl 3 , C 6 H 6 , C 6 H 5 Cl . When a char2020 (Paper 2)Molecular Orbital Theory
  13. 13In an experiment, m grams of a compound X (gas/liquid/solid) taken in a container is loaded in a balance as shown in figure I below. In the 2020 (Paper 2)Molecular Orbital Theory
  14. 14A tin chloride Q undergoes the following reactions (not balanced) Q + C l - X Q + M e 3 N Y Q + C u C l 2 Z + C u C l X is a monoanion havin2019 (Paper 1)Hybridisation and VSEPR Theory
  15. 15Each of the following options contains a set of four molecules. Identify the option(s) where all four molecules possess permanent dipole mom2019 (Paper 1)Dipole moment
  16. 16Among B 2 H 6 , B 3 N 3 H 6 , N 2 O , N 2 O 4 , H 2 S 2 O 3 and H 2 S 2 O 8 , the number of molecules containing covalent bond between two a2019 (Paper 1)Covalent and Co-ordinate Bonding
  17. 17Among the species given below, the total number of diamagnetic species is ___. H a t o m , N O 2 m o n o m e r , O 2 - (superoxide), dimeric2018 (Paper 1)Molecular Orbital Theory
  18. 18The sum of the number of lone pairs of electrons on each central atom in the following species i s T e B r 6 2 - , B r F 2 + , S N F 3 a n d2017 (Paper 1)Hybridisation and VSEPR Theory
  19. 19A m o n g H 2 , H e 2 + , L i 2 , B e 2 , B 2 , C 2 , N 2 , O 2 - , a n d F 2 , the number of diamagnetic species is - (Atomic number : H = 2017 (Paper 1)Molecular Orbital Theory
  20. 20The compound(s) with two lone pairs of electrons on the central atom is (are)2016 (Paper 1)Hybridisation and VSEPR Theory
  21. 21According to Molecular Orbital Theory,2016 (Paper 2)Molecular Orbital Theory
  22. 22Among the triatomic molecules/ions, B e C l 2 , N 3 - , N 2 O , N O 2 + , O 3 , S C l 2 , I C l 2 - , I 3 - and X e F 2 , the total number o2015 (Paper 1)Hybridisation and VSEPR Theory
  23. 23Hydrogen bonding plays a central role in the following phenomena:2014 (Paper 1)Van Der Waals Forces, Hydrogen Bonding and Metallic Bonding
  24. 24Assuming 2 s – 2 p mixing is NOT operative, the paramagnetic species among the following is2014 (Paper 2)Molecular Orbital Theory
  25. 25Match the orbital overlap figures shown in List-I with the description given in List-II and select the correct answer using the code given b2014 (Paper 2)Molecular Orbital Theory
  26. 26The bond energy (in ) of single bond is approximately2010 (Paper 1)Covalent and Co-ordinate Bonding
  27. 27Based on VSEPR theory, the number of 90 degree angles in is2010 (Paper 1)Hybridisation and VSEPR Theory
  28. 28The species having pyramidal shape is2010 (Paper 2)Hybridisation and VSEPR Theory
  29. 29Match each of the diatomic molecules in Column I with its property/properties in Column II.2009 (Paper 1)Molecular Orbital Theory
  30. 30The spin only magnetic moment value (in Bohr magneton units) of {Cr}( {CO})_6$ is2009 (Paper 2)Molecular Orbital Theory
  31. 31The species having bond order different from that in is2007 (Paper 1)Molecular Orbital Theory
  32. 32Among the following, the paramagnetic compound is2007 (Paper 1)Molecular Orbital Theory
  33. 33The percentage of -character in the orbitals forming bonds in is2007 (Paper 1)Hybridisation and VSEPR Theory
  34. 34If the bond length of bond in carbon monoxide is , then what is the value of bond length in ?2006Molecular Orbital Theory

Frequently Asked Questions

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

This chapter includes 34 questions compiled from JEE Advanced papers spanning 2006 to 2026.

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

These are JEE Advanced 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 JEE Advanced Chemistry?

Chemical Bonding and Molecular Structure has appeared in 16 of the 21 years of JEE Advanced papers covered here, with 34 questions across 23 papers - about one per paper it appears in.

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

Of the 34 questions analysed for this chapter, 29% are easy, 50% moderate and 21% tough. 2026 had the most, with 3 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:

  • Molecular Orbital Theory - 15 questions (44%)
  • Hybridisation and VSEPR Theory - 12 questions (35%)
  • Covalent and Co-ordinate Bonding - 3 questions (9%)
  • Hybridisation and VSEPR Theory has produced the most tough questions (5).
6.Is Chemical Bonding and Molecular Structure's weightage in JEE Advanced going up or down?

Across all 23 papers analysed, Chemical Bonding and Molecular Structure has averaged about 1.5 questions per paper. In the last three years (2024–2026), that average has fallen, at about 1.2 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.