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Friday, 9 October

JEE Main Chemistry · Class 12

Haloalkanes and Haloarenes: JEE Main previous year questions

Haloalkanes and Haloarenes had 62 questions in the 42 JEE Main shifts Lumi analysed, about 1.5 a shift, asked in 37 of 42 shifts. It ranks 3 of 30 Chemistry chapters by questions; 19% of its questions were hard.

Questions
62
in 37 of 42 shifts
A shift, on average
1.5
of 25 Chemistry questions
Since 2024
-0.1
1.6 a shift in 2017–23, 1.4 in 2024–26
Numerical answer
11
18% 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
08164’176’204’213’227’2316’2410’2512’26

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
  • 20174
  • 20206
  • 20214
  • 20223
  • 20237
  • 202416
  • 202510
  • 202612
  • Easy
  • Medium
  • Hard

Every question

All 62 Haloalkanes and Haloarenes questions

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

2026 12 questions

  1. 2 Apr 2026, Shift 1 · Q64Given below are two statements : Statement (I) : Benzyl chloride reacts faster in SN1\mathrm{S_N1} mechanism than ethyl chloride. Statement…EasyTwo statements
  2. 2 Apr 2026, Shift 2 · Q65Correct statements regarding alkyl halides (R - X) among the following are: A. Alcohol being less polar solvent as compared to water,…MediumSingle correct
  3. 2 Apr 2026, Shift 2 · Q75Consider the following reactions sequence…MediumNumerical value
  4. 4 Apr 2026, Shift 1 · Q65Match the LIST-I with LIST-II List-I (Name of reaction): A. Finkelstein reaction; B. Swarts reaction; C. Sandmeyer's reaction; D. Fittig…EasyMatch the list
  5. 4 Apr 2026, Shift 1 · Q72Consider the following sequence of reactions to give the major product (X) benzene…MediumNumerical valueHas a figure
  6. 4 Apr 2026, Shift 2 · Q56Match the LIST-I with LIST-II List-I (Reaction): A. Williamson Synthesis B. Friedel Craft Reaction C. Bromination of vinyl benzene D.…EasyMatch the list
  7. 4 Apr 2026, Shift 2 · Q65The following structures are [figure: stereocentre C with Br (up), CH3 (hashed, left), Me (down), Cl (wedge, right)] and [figure:…EasyDiagram basedHas a figure
  8. 5 Apr 2026, Shift 1 · Q65For the following Friedel Craft's alkylation reaction, which of the statements are correct? [figure: benzene + n-propyl chloride…MediumOtherHas a figure
  9. 5 Apr 2026, Shift 2 · Q72RMgI when treated with ice cold water liberated a gas which occupied 1.4 dm3^3/g at STP. The gas produced is further reacted with iodine…MediumNumerical value
  10. 6 Apr 2026, Shift 2 · Q65An optically active alkyl bromide C4H9Br\mathrm{C_4H_9Br}, reacts with ethanolic KOH to form major compound [A] which reacts with bromine to…MediumSingle correct
  11. 8 Apr 2026, Shift 2 · Q63The major product of which of the following reaction is not obtained by rearrangement reaction ?MediumDiagram basedHas a figure
  12. 8 Apr 2026, Shift 2 · Q66Given below are two statements : Statement I : Due to increase in van der Waals forces, the order of boiling points is…MediumTwo statementsHas a figure

2025 10 questions

  1. 2 Apr 2025, Shift 1 · Q66An optically active alkyl halide C4H9Br\mathrm{C_4H_9Br} [A] reacts with hot KOH dissolved in ethanol and forms alkene [B] as major product…MediumSingle correct
  2. 2 Apr 2025, Shift 2 · Q75Consider the above sequence of reactions. 151 g of 2-bromopentane is made to react. Yield of major product P is 80% whereas Q is 100%.…MediumNumerical valueHas a figure
  3. 3 Apr 2025, Shift 2 · Q67In the following series of reactions identify the major products A & B respectively Bromobenzene…MediumDiagram basedHas a figure
  4. 4 Apr 2025, Shift 2 · Q65Consider the following molecule (X). The structure of X is [figure: tricyclic fused polycyclic hydrocarbon (X) containing a cyclopentene…HardDiagram basedHas a figure
  5. 4 Apr 2025, Shift 2 · Q66Given below are two statements : Statement (I) : Alcohols are formed when alkyl chlorides are treated with aqueous potassium hydroxide by…EasyTwo statements
  6. 7 Apr 2025, Shift 1 · Q66The reactions which cannot be applied to prepare an alkene by elimination, are A. [2-bromo-1-methylcyclohexane: cyclohexane ring with a…MediumOtherHas a figure
  7. 7 Apr 2025, Shift 2 · Q65Given below are two statements : Statement (I) : [figure: cis-1,2-dichloroethene] is more polar than [figure: cis-1,2-dibromoethene].…MediumTwo statementsHas a figure
  8. 7 Apr 2025, Shift 2 · Q75Identify the structure of the final product (D) in the following sequence of the reactions :…MediumNumerical valueHas a figure
  9. 8 Apr 2025, Shift 2 · Q651,2-dibromocyclooctane →(ii) NaNH2 (iii) Hg2+/H+ (iv) Zn–Hg / H+(i) KOH (alc.)\xrightarrow[\text{(ii) NaNH}_2\ \text{(iii) Hg}^{2+}/\text{H}^+\ \text{(iv) Zn–Hg / H}^+]{\text{(i) KOH (alc.)}}…MediumSingle correctHas a figure
  10. 8 Apr 2025, Shift 2 · Q66Choose the correct set of reagents for the following conversion. Ethyl benzene → [structure: p-bromostyrene, i.e. benzene ring with CH=CH2…MediumSingle correctHas a figure

2024 16 questions

  1. 6 Apr 2024, Shift 2 · Q76Chemical reaction: (1-chloropropyl)cyclohexane [cyclohexyl ring attached to CHCl-CH2-CH3] ++ NaOH →H2O\xrightarrow{\mathrm{H_2O}} Major…MediumDiagram basedHas a figure
  2. 6 Apr 2024, Shift 2 · Q79The major products formed : Anisole (benzene ring with OCH3\mathrm{OCH_3}) →HNO3, H2SO4\xrightarrow{\mathrm{HNO_3,\ H_2SO_4}} 'A'…MediumDiagram basedHas a figure
  3. 6 Apr 2024, Shift 2 · Q89Reaction: ethoxybenzene (benzene ring with OC2H5\mathrm{OC_2H_5}) →HNO3, H2SO4\xrightarrow{\mathrm{HNO_3,\ H_2SO_4}} P (major product)…MediumNumerical valueHas a figure
  4. 8 Apr 2024, Shift 1 · Q76Which of the following are aromatic? A. [figure: fused bicyclic ring system, two six-membered rings] B. [figure: benzene ring with a vinyl…MediumOtherHas a figure
  5. 8 Apr 2024, Shift 1 · Q77Which among the following compounds will undergo fastest SN2\mathrm{S_N2} reaction.EasyDiagram basedHas a figure
  6. 8 Apr 2024, Shift 1 · Q88The number of optical isomers in following compound is:__________ [figure: three fused cyclohexane rings in a linear (anthracene-type)…HardNumerical valueHas a figure
  7. 9 Apr 2024, Shift 1 · Q73Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : SN2\mathrm{S_N2}…EasyAssertion–reason
  8. 9 Apr 2024, Shift 2 · Q75[figure: C6H5−CH(CH3)−CH(OCH3)−Br\mathrm{C_6H_5-CH(CH_3)-CH(OCH_3)-Br} (benzylic carbon bearing CH3_3, next carbon bearing both OCH3_3 and Br)]…HardSingle correctHas a figure
  9. 9 Apr 2024, Shift 2 · Q76Total number of stereo isomers possible for the given structure :MediumSingle correctHas a figure
  10. 29 Jan 2024, Shift 1 · Q75Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R : Assertion A : Aryl halides cannot…MediumAssertion–reason
  11. 30 Jan 2024, Shift 2 · Q75Given below are two statements: Statement - I: High concentration of strong nucleophilic reagent with secondary alkyl halides which do not…MediumTwo statements
  12. 30 Jan 2024, Shift 2 · Q882-chlorobutane + Cl2→C4H8Cl2\mathrm{Cl_2} \to \mathrm{C_4H_8Cl_2} (isomers) Total number of optically active isomers shown by…HardNumerical value
  13. 31 Jan 2024, Shift 1 · Q76The product (C) in the below mentioned reaction is :…EasySingle correct
  14. 31 Jan 2024, Shift 1 · Q88CH3CH2Br+NaOH\mathrm{CH_3CH_2Br + NaOH} with C2H5OH\mathrm{C_2H_5OH} gives Product A, and with H2O\mathrm{H_2O} gives Product B. The total number of…EasyNumerical valueHas a figure
  15. 31 Jan 2024, Shift 2 · Q74Identify structure of 2,3-dibromo-1-phenylpentane.EasyDiagram basedHas a figure
  16. 31 Jan 2024, Shift 2 · Q76Identify A and B in the following reaction sequence. [reaction: bromobenzene --(Conc HNO3_3)--> A --((i) NaOH, (ii) HCl)--> B]HardDiagram basedHas a figure

2023 7 questions

  1. 6 Apr 2023, Shift 1 · Q75For the reaction RCH2Br+I−→AcetoneRCH2Imajor+Br−\mathrm{RCH_2Br + I^-}\xrightarrow{\text{Acetone}}\underset{\text{major}}{\mathrm{RCH_2I}}+\mathrm{Br^-} The correct…HardSingle correct
  2. 8 Apr 2023, Shift 2 · Q71Major product 'P' formed in the following reaction is: [reaction: CH2=CH−CH2−CH2−COOH\mathrm{CH_2{=}CH{-}CH_2{-}CH_2{-}COOH} (pent-4-enoic acid, drawn as…MediumDiagram basedHas a figure
  3. 8 Apr 2023, Shift 2 · Q73The correct order of reactivity of following haloarenes towards nucleophilic substitution with aqueous NaOH is : A. [chlorobenzene] B.…MediumSingle correctHas a figure
  4. 11 Apr 2023, Shift 1 · Q73Arrange the following compounds in increasing order of rate of aromatic electrophilic substitution reaction (a) 1-tetralol: tetralin with…HardDiagram basedHas a figure
  5. 11 Apr 2023, Shift 1 · Q74[figure: Reaction (I): 4-methoxybenzyl chloride (MeO−C6H4−CH2Cl\mathrm{MeO{-}C_6H_4{-}CH_2Cl}) + Nu gives 4-methoxybenzyl-Nu. Reaction (II):…MediumDiagram basedHas a figure
  6. 11 Apr 2023, Shift 1 · Q89[figure: bicyclic (hydrindane-type) skeleton: cyclohexane fused to cyclopentane; Me at the ring-fusion carbon, adjacent cyclopentane…HardNumerical valueHas a figure
  7. 13 Apr 2023, Shift 2 · Q75Match List I with List II 1 - Bromopropane is reacted with reagents in List I to give product in List II LIST I - Reagent | LIST II -…MediumMatch the list

2022 3 questions

  1. 25 Jul 2022, Shift 1 · Q74Most stable product of the following reaction is : (i) p-toluenesulfonyl chloride (H3C−C6H4−SO2Cl\mathrm{H_3C{-}C_6H_4{-}SO_2Cl}), Pyridine (ii) NaCN,…MediumDiagram basedHas a figure
  2. 24 Jun 2022, Shift 1 · Q73In the given reaction sequence, the major product 'C' is :…MediumSingle correctHas a figure
  3. 29 Jun 2022, Shift 1 · Q74[reaction scheme: 2-bromophenol →(CH3)3CLi\xrightarrow{(\mathrm{CH_3})_3\mathrm{CLi}} [A]…HardOtherHas a figure

2021 4 questions

  1. 3 Aug 2021, Shift 2 · Q43Order of reactivity for hydrolysis of substituted chlorobenzenes in the presence of aqueous NaOH isMediumSingle correctHas a figure
  2. 3 Aug 2021, Shift 2 · Q45Arrange the following halides in the increasing order of their reactivity towards SN1\mathrm{S_N1} reaction mechanism.MediumSingle correctHas a figure
  3. 25 Jul 2021, Shift 1 · Q45[figure: phenol converted to 4-bromophenol (Major Product)] The given reaction can occur in the presence of : (a) Bromine water (b)…MediumSingle correctHas a figure
  4. 18 Mar 2021, Shift 1 · Q43Match List - I with List - II : List - I (Chemicals) (a) Alcoholic potassium hydroxide (b) Pd/BaSO4\mathrm{BaSO_4} (c) BHC (Benzene…MediumMatch the list

2020 6 questions

  1. 8 Jan 2020, Shift 1 · Q44The decreasing order of reactivity towards dehydrohalogenation (E1\mathrm{E_1}) reaction of the following compounds is : (A)…MediumOtherHas a figure
  2. 9 Jan 2020, Shift 2 · Q40Which of the following has the shortest C-Cl bond ?MediumSingle correct
  3. 9 Jan 2020, Shift 2 · Q43Which of the following reactions will not produce a racemic product ?HardSingle correctHas a figure
  4. 2 Sep 2020, Shift 1 · Q43The major aromatic product C in the following reaction sequence will be : 2-methyl-2H-chromene (benzene ring fused to a pyran ring with O,…HardDiagram basedHas a figure
  5. 2 Sep 2020, Shift 1 · Q44Which of the following compounds will show retention in configuration on nucleophilic substitution by OH−\mathrm{OH^-} ion ?MediumDiagram basedHas a figure
  6. 2 Sep 2020, Shift 1 · Q50The number of chiral carbons present in the molecule given below is ______.MediumNumerical valueHas a figure

2017 4 questions

  1. 2 Apr 2017 (offline) · Q51Which of the following compounds will form significant amount of *meta* product during mono-nitration reaction ?MediumSingle correctHas a figure
  2. 2 Apr 2017 (offline) · Q52Which of the following, upon treatment with *tert*-BuONa followed by addition of bromine water, fails to decolourize the colour of bromine ?HardSingle correctHas a figure
  3. 2 Apr 2017 (offline) · Q55The increasing order of the reactivity of the following halides for the SN1\mathrm{S_N1} reaction is : CH3CHCH2CH3\mathrm{CH_3CHCH_2CH_3} with Cl on…MediumOtherHas a figure
  4. 2 Apr 2017 (offline) · Q56The major product obtained in the following reaction is : [reaction: (+)-C6H5CH(Br)CH2C6H5\mathrm{C_6H_5CH(Br)CH_2C_6H_5} (Br on wedge, H on hash at the…MediumSingle correctHas a figure

Pattern: Asked most years.