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Friday, 9 October

JEE Main Chemistry · Class 11

Hydrogen: JEE Main previous year questions

Hydrogen had 14 questions in the 42 JEE Main shifts Lumi analysed, about 0.4 a shift, asked in 13 of 42 shifts. It ranks 25 of 30 Chemistry chapters by questions; 0% of its questions were hard.

Questions
14
in 13 of 42 shifts
A shift, on average
0.4
of 25 Chemistry questions
Since 2024
-0.5
0.6 a shift in 2017–23, 0.0 in 2024–26
Numerical answer
0
0% 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
0360’171’205’213’224’230’241’250’26

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
  • 2017
  • 20201
  • 20215
  • 20223
  • 20234
  • 2024
  • 20251
  • 2026
  • Easy
  • Medium
  • Hard

Inside the chapter

Topics and the ideas that repeat

2 topics and 11 distinct ideas; 1 ideas were asked more than once. Most questions are single correct and recall.

Topics, by questions

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

Ideas asked most
1 repeat

Every question

All 14 Hydrogen questions

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

2025 1 questions

  1. 7 Apr 2025, Shift 1 · Q63When a salt is treated with sodium hydroxide solution it gives gas X. On passing gas X through reagent Y a brown coloured precipitate is…EasySingle correct

2023 4 questions

  1. 6 Apr 2023, Shift 1 · Q66Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Loss of electron from…MediumAssertion–reason
  2. 8 Apr 2023, Shift 2 · Q66Which of the following can reduce decomposition of H2O2\mathrm{H_2O_2} on exposure to lightMediumSingle correct
  3. 11 Apr 2023, Shift 1 · Q66Given below are two statements: Statement-I : Methane and steam passed over a heated Ni catalyst produces hydrogen gas. Statement-II :…EasyTwo statements
  4. 13 Apr 2023, Shift 2 · Q66Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Isotopes of hydrogen…MediumAssertion–reason

2022 3 questions

  1. 28 Jul 2022, Shift 1 · Q67The metal salts formed during softening of hardwater using Clark's method are :EasySingle correct
  2. 24 Jun 2022, Shift 1 · Q68The highest industrial consumption of molecular hydrogen is to produce compounds of element :EasySingle correct
  3. 29 Jun 2022, Shift 1 · Q68Which one of the following reactions indicates the reducing ability of hydrogen peroxide in basic medium ?MediumSingle correct

2021 5 questions

  1. 3 Aug 2021, Shift 2 · Q35Which one of the following statements is incorrect? A. The correct order of increasing first ionization enthalpy is Li < H < F. B. Out of…MediumOther
  2. 25 Jul 2021, Shift 1 · Q35At 298.2 K the relationship between enthalpy of bond dissociation (in kJ mol−1^{-1}) for hydrogen (EH\mathrm{E_H}) and its isotope,…MediumSingle correct
  3. 16 Mar 2021, Shift 2 · Q35The correct statements about H2O2\mathrm{H_2O_2} are : (A) used in the treatment of effluents. (B) used as both oxidising and reducing…MediumOther
  4. 16 Mar 2021, Shift 2 · Q42Statement I : Sodium hydride can be used as an oxidising agent. Statement II : The lone pair of electrons on nitrogen in pyridine makes it…EasyTwo statements
  5. 18 Mar 2021, Shift 1 · Q36Given below are two Statements : One is labelled as Assertion A and the other is labelled as Reason R : Assertion A : During the boiling…MediumAssertion–reason

2020 1 questions

  1. 6 Sep 2020, Shift 2 · Q34Dihydrogen of high purity (>99.95%>99.95\%) is obtained through :EasySingle correct

Pattern: Asked most years.