Hydrogen
Position in periodic table; occurrence, isotopes, preparation, properties and uses; hydrides — ionic, covalent, interstitial; physical and chemical properties of water and heavy water; hydrogen peroxide — preparation, reactions, structure and uses; hydrogen as a fuel.
Test yourself on Hydrogen
5 real JEE Advanced questions with instant answers — no signup, ~3 minutes.
Study notes are still being prepared.
Don't wait — Shishya can teach you this topic right now, on demand.
Ask Shishya to teach this →Need more? Ask Shishya
Shishya is your personal tutor for this topic. Pick a starter or open a free chat.
- Go deeper on this topicGo deeper on Hydrogen for JEE Advanced — examples and edge cases I should know.
- Show me exam shortcutsGive me 3 fastest shortcuts to solve Hydrogen questions in the exam.
- What mistakes should I avoid?What are the most common mistakes students make on Hydrogen? How do I avoid them?
- Quiz me adaptivelyQuiz me on Hydrogen — start with one easy question, then go harder based on how I answer.
Practice this topic
Take a full mock →Q1 · Hydrogen · MEDIUM
Hydrogen peroxide acts as both an oxidizing and reducing agent. In which of the following reactions does H₂O₂ act as a reducing agent?
Q2 · Hydrogen · EASY
A sample of heavy water reacts completely with metallic sodium. The gas evolved is collected and its density is measured at STP. The density (in g L⁻¹) of the gas is closest to:
Q3 · Hydrogen · EASY
Hard water containing 162 ppm of Ca²⁺ ions is passed through a zeolite softener. After softening, the water contains Na⁺ ions instead of Ca²⁺. The number of Na⁺ ions (in ppm) present in the softened water is approximately: