Chemistry - Hydrogen
Practise 4 JEE Advanced previous year questions on Hydrogen, compiled from papers spanning 2010 to 2022. 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.
Hydrogen has been asked in 4 of the 27 years of JEE Advanced papers analysed (2000–2026), with 4 questions in all. 50% of them were easy, 25% moderate and 25% tough. Most of its questions came from 2022, with 1 question that year. In the last three years (2024–2026) it had 0 questions across 6 papers, about 0 per paper.
The chapter's 4 topics are not weighted equally: Preparation and Properties of Water (1 question, 25%), Preparation and Properties of Hydrogen Peroxide (1 question, 25%), and Preparation and Properties of Hydrogen (1 question, 25%) have been asked the most. Over the last five years the most frequent topics have been Chemical properties of hydrogen (1). Preparation and Properties of Water has produced the most tough questions (1).
- 1LIST- I contains compounds and LIST- II contains reactions LIST- I LIST- II I H 2 O 2 P Mg HCO 3 2 + Ca OH 2 II Mg OH 2 Q BaO 2 + H 2 SO 4 I2022 (Paper 1)Chemical properties of hydrogen
- 2Which of the following combinations will produce H 2 gas?2017 (Paper 2)Preparation and Properties of Hydrogen
- 3Hydrogen peroxide in its reaction with KIO 4 and NH 2 OH respectively, is acting as a2014 (Paper 2)Preparation and Properties of Hydrogen Peroxide
- 4The reagent(s) used for softening the temporary hardness of water is(are)2010 (Paper 1)Preparation and Properties of Water
Frequently Asked Questions
1.How many questions are available for Hydrogen?
This chapter includes 4 questions compiled from JEE Advanced papers spanning 2010 to 2022.
2.Are these questions only from JEE Advanced, or from other exams too?
These are JEE Advanced questions specifically for the Hydrogen chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is Hydrogen an important chapter for JEE Advanced Chemistry?
Hydrogen has appeared in 4 of the 21 years of JEE Advanced papers covered here, with 4 questions across 4 papers - about one per paper it appears in.
4.What is the difficulty level of Hydrogen questions in JEE Advanced?
Of the 4 questions analysed for this chapter, 50% are easy, 25% moderate and 25% tough. 2022 had the most, with 1 question.
5.Which topics in Hydrogen should I focus on?
These topics have carried the most weightage in Hydrogen:
- Preparation and Properties of Water - 1 question (25%)
- Preparation and Properties of Hydrogen Peroxide - 1 question (25%)
- Preparation and Properties of Hydrogen - 1 question (25%)
- Preparation and Properties of Water has produced the most tough questions (1).
6.Is Hydrogen's weightage in JEE Advanced going up or down?
Across all 4 papers analysed, Hydrogen has averaged about 1.0 questions per paper. In the last three years (2024–2026), that average has fallen, at about 0.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.