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Friday, 9 October

JEE Main Chemistry · Class 11

Chemical Bonding and Molecular Structure: JEE Main previous year questions

Chemical Bonding and Molecular Structure had 47 questions in the 42 JEE Main shifts Lumi analysed, about 0.9 a shift, asked in 36 of 42 shifts. It ranks 13 of 30 Chemistry chapters by questions; 6% of its questions were hard.

Questions
47
in 36 of 42 shifts
A shift, on average
0.9
of 25 Chemistry questions
Since 2024
+0.4
0.8 a shift in 2017–23, 1.2 in 2024–26
Numerical answer
17
36% of its questions

Year by year

How often it came

Questions in the analysed shifts of each year. Years differ in how many shifts Lumi analysed, so read the bars with the shift count.

Questions each year
08161’173’202’214’225’2316’248’258’26

2017: 1 shifts · 2020: 4 shifts · 2021: 4 shifts · 2022: 4 shifts · 2023: 4 shifts · 2024: 8 shifts · 2025: 8 shifts · 2026: 9 shifts

Difficulty by year
  • 20171
  • 20203
  • 20212
  • 20224
  • 20235
  • 202416
  • 20258
  • 20268
  • Easy
  • Medium
  • Hard

Inside the chapter

Topics and the ideas that repeat

6 topics and 23 distinct ideas; 7 ideas were asked more than once. Most questions are numerical value and application.

Topics, by questions

6 questions had no close topic in our taxonomy and are counted for the chapter only.

Ideas asked most
7 repeat

Study it on Lumi

Chemical Bonding and Molecular Structure: the interactive lesson

Every question

All 47 Chemical Bonding and Molecular Structure questions

Newest first. Each opens with its options and the official answer.

2026 8 questions

  1. 2 Apr 2026, Shift 1 · Q53Given below are two statements : Statement (I) : The correct sequence of bond lengths in the following species is :…MediumTwo statements
  2. 4 Apr 2026, Shift 1 · Q71According to Lewis theory, the total number of σ\sigma bond-pairs and lone pair of electrons around the central atom of…MediumNumerical value
  3. 4 Apr 2026, Shift 2 · Q53Which of the following pictorial diagram most correctly represents the π∗\pi^* (π\pi-antibonding) molecular orbital between two atoms if…MediumDiagram basedHas a figure
  4. 5 Apr 2026, Shift 1 · Q71Consider the following species: BrF5\mathrm{BrF_5}, XeF5−\mathrm{XeF_5^-}, BF4−\mathrm{BF_4^-}, ICl4−\mathrm{ICl_4^-}, XeF4\mathrm{XeF_4},…MediumNumerical value
  5. 6 Apr 2026, Shift 1 · Q54The pairs among A=[SO32−,CO32−]\mathrm{A}=\left[\mathrm{SO_3^{2-},CO_3^{2-}}\right], B=[O22−,F2]\mathrm{B}=\left[\mathrm{O_2^{2-},F_2}\right],…MediumSingle correct
  6. 6 Apr 2026, Shift 2 · Q53Given below are two statements : Statement I : The number of compounds among SO2\mathrm{SO_2}, SO3\mathrm{SO_3}, SF4\mathrm{SF_4},…HardTwo statements
  7. 6 Apr 2026, Shift 2 · Q59Given below are two statements : Statement I : F2O<H2O<Cl2O\mathrm{F_2O<H_2O<Cl_2O} is the correct trend in terms of bond angle. Statement II :…MediumTwo statements
  8. 8 Apr 2026, Shift 2 · Q53Bromine trifluoride autoionizes to form BrF2⊕\mathrm{BrF_2^{\oplus}} and BrF4⊖\mathrm{BrF_4^{\ominus}}. The shapes of the cation and anion are…MediumSingle correct

2025 8 questions

  1. 2 Apr 2025, Shift 1 · Q57Among SO2\mathrm{SO_2}, NF3\mathrm{NF_3}, NH3\mathrm{NH_3}, XeF2\mathrm{XeF_2}, ClF3\mathrm{ClF_3} and SF4\mathrm{SF_4}, the hybridization of the…MediumSingle correct
  2. 2 Apr 2025, Shift 1 · Q61A molecule with the formula AX4Y\mathrm{AX_4Y} has all it's elements from p-block. Element A is rarest, monoatomic, non-radioactive from its…HardSingle correct
  3. 2 Apr 2025, Shift 2 · Q57Which among the following molecules is (a) involved in sp3dsp^3d hybridization, (b) has different bond lengths and (c) has lone pair of…EasySingle correct
  4. 3 Apr 2025, Shift 1 · Q59Match the LIST-I with LIST-II LIST-I (Molecules/ ion) A. PF5\mathrm{PF_5} B. SF6\mathrm{SF_6} C. Ni(CO)4\mathrm{Ni(CO)_4} D.…MediumMatch the list
  5. 4 Apr 2025, Shift 2 · Q56Given below are two statements : Statement (I) : For ClF3\mathrm{ClF_3} (with lone pairs on Cl), all three possible structures may be drawn…MediumTwo statementsHas a figure
  6. 7 Apr 2025, Shift 1 · Q58Match the LIST-I with LIST-I LIST-I (Molecule / ion) | LIST-II (Bond pair : lone pair (on the central atom)) A. ICl2−\mathrm{ICl_2^-} | I. 4…MediumMatch the list
  7. 7 Apr 2025, Shift 2 · Q58In SO2\mathrm{SO_2}, NO2−\mathrm{NO_2^-} and N3−\mathrm{N_3^-} the hybridizations at the central atom are respectively :EasySingle correct
  8. 8 Apr 2025, Shift 2 · Q73Resonance in X2Y\mathrm{X_2Y} can be represented as…HardNumerical valueHas a figure

2024 16 questions

  1. 6 Apr 2024, Shift 2 · Q62Given below are two statements : Statement I : PF5\mathrm{PF_5} and BrF5\mathrm{BrF_5} both exhibit sp3dsp^3d hybridisation. Statement II :…MediumTwo statements
  2. 6 Apr 2024, Shift 2 · Q82Total number of species from the following with central atom utilising sp2\mathrm{sp^2} hybrid orbitals for bonding is ________.…MediumNumerical value
  3. 8 Apr 2024, Shift 1 · Q62Match List I with List II LIST I (Molecule): A. NH3\mathrm{NH_3}; B. BrF5\mathrm{BrF_5}; C. PCl5\mathrm{PCl_5}; D. CH4\mathrm{CH_4} LIST II…EasyMatch the list
  4. 8 Apr 2024, Shift 1 · Q82Number of molecules from the following which are exceptions to octet rule is ___________.…MediumNumerical value
  5. 9 Apr 2024, Shift 1 · Q62In which one of the following pairs the central atoms exhibit sp2sp^2 hybridization ?EasySingle correct
  6. 9 Apr 2024, Shift 1 · Q82The total number of species from the following in which one unpaired electron is present, is ________.…MediumNumerical value
  7. 9 Apr 2024, Shift 2 · Q62The correct increasing order for bond angles among BF3\mathrm{BF_3}, PF3\mathrm{PF_3} and ClF3\mathrm{ClF_3} is :MediumSingle correct
  8. 9 Apr 2024, Shift 2 · Q82Total number of electrons present in (π∗)(\pi^*) molecular orbitals of O2\mathrm{O_2}, O2+\mathrm{O_2^{+}} and O2−\mathrm{O_2^{-}} is ________.EasyNumerical value
  9. 29 Jan 2024, Shift 1 · Q82The number of species from the following which are paramagnetic and with bond order equal to one is ________.…MediumNumerical value
  10. 29 Jan 2024, Shift 1 · Q83Number of compounds with one lone pair of electrons on central atom amongst following is ________…MediumNumerical value
  11. 30 Jan 2024, Shift 2 · Q62Given below are two statements: Statement - I: Since Fluorine is more electronegative than nitrogen, the net dipole moment of…MediumTwo statements
  12. 30 Jan 2024, Shift 2 · Q63The molecule / ion with square pyramidal shape isEasySingle correct
  13. 31 Jan 2024, Shift 1 · Q61The linear combination of atomic orbitals to form molecular orbitals takes place only when the combining atomic orbitals A. have the same…EasyOther
  14. 31 Jan 2024, Shift 1 · Q83The number of species from the following in which the central atom uses sp3\mathrm{sp^3} hybrid orbitals in its bonding is _________.…MediumNumerical value
  15. 31 Jan 2024, Shift 2 · Q63Which of the following is least ionic?MediumSingle correct
  16. 31 Jan 2024, Shift 2 · Q81A diatomic molecule has a dipole moment of 1.2 D. If the bond distance is 1A°, then fractional charge on each atom is ________…MediumNumerical value

2023 5 questions

  1. 6 Apr 2023, Shift 1 · Q83The number of species from the following which have square pyramidal structure is ________…MediumNumerical value
  2. 8 Apr 2023, Shift 2 · Q82The number of species from the following carrying a single lone pair on central atom Xenon is ____________. XeF5+\mathrm{XeF_5^+},…MediumNumerical value
  3. 11 Apr 2023, Shift 1 · Q62Match List-I with List-II : List-I Species | List-II Geometry/Shape A. H3O+\mathrm{H_3O^+} | I. Tetrahedral B. Acetylide anion | II. Linear…EasyMatch the list
  4. 13 Apr 2023, Shift 2 · Q61Given below are two statements : Statement I : SO2\mathrm{SO_2} and H2O\mathrm{H_2O} both possess V-shaped structure. Statement II : The…MediumTwo statements
  5. 13 Apr 2023, Shift 2 · Q64The covalency and oxidation state respectively of boron in [BF4]−[\mathrm{BF_4}]^{-}, areMediumSingle correct

2022 4 questions

  1. 25 Jul 2022, Shift 1 · Q81Among the following species N2, N2+, N2−, N22−, O2, O2+, O2−, O22−\mathrm{N_2,\ N_2^{+},\ N_2^{-},\ N_2^{2-},\ O_2,\ O_2^{+},\ O_2^{-},\ O_2^{2-}} the number of species…MediumNumerical value
  2. 28 Jul 2022, Shift 1 · Q83The number of paramagnetic species among the following is __________.…MediumNumerical value
  3. 24 Jun 2022, Shift 1 · Q63Match List - I with List - II : List - I (A) [PtCl4]2−[\mathrm{PtCl_4}]^{2-} (B) BrF5\mathrm{BrF_5} (C) PCl5\mathrm{PCl_5} (D)…MediumMatch the list
  4. 29 Jun 2022, Shift 1 · Q63Arrange the following in the decreasing order of their covalent character : (A) LiCl (B) NaCl (C) KCl (D) CsCl Choose the most appropriate…EasyOther

2021 2 questions

  1. 25 Jul 2021, Shift 1 · Q54The number of sigma bonds in H3C−C(H)=CH−C≡C−H\mathrm{H_3C-C(H)=CH-C\equiv C-H} (the H on the second carbon drawn below it) is ____________.EasyNumerical valueHas a figure
  2. 18 Mar 2021, Shift 1 · Q52AX is a covalent diatomic molecule where A and X are second row elements of periodic table. Based on Molecular orbital theory, the bond…MediumNumerical value

2020 3 questions

  1. 8 Jan 2020, Shift 1 · Q29The predominant intermolecular forces present in ethyl acetate, a liquid, are :MediumSingle correct
  2. 9 Jan 2020, Shift 2 · Q31The number of sp2sp^2 hybrid orbitals in a molecule of benzene is :EasySingle correct
  3. 2 Sep 2020, Shift 1 · Q29If AB4\mathrm{AB_4} molecule is a polar molecule, a possible geometry of AB4\mathrm{AB_4} is :EasySingle correct

2017 1 questions

  1. 2 Apr 2017 (offline) · Q42Which of the following species is **not** paramagnetic ?EasySingle correct

Pattern: Asked most years.