Chapter 9 • Class 11 Chemistry
Hydrogen
Master Class 11 Chemistry Hydrogen: dual position, isotopes, preparation, hydrides, water, hardness removal, heavy water, H2O2 and hydrogen as fuel with solved examples and tests on Vidaara.
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1
Hydrogen: Position, Isotopes & Preparation
Hydrogen (Z = 1, configuration 1s 1 ) is the lightest and most abundant element in the universe. Although it has just one electron, it refuses to sit …
Start this topic → 2Hydrides & Water
When hydrogen combines with another element it forms a hydride . The character of the hydride depends on the partner element, and the most important h…
Start this topic → 3Hydrogen Peroxide & Hydrogen as Fuel
Hydrogen peroxide (H 2 O 2 ) is one of the most useful oxygen compounds of hydrogen, and dihydrogen itself is increasingly viewed as the clean fuel of…
Start this topic →Chapter-wide tests
Online Test
18 MCQ • 15 min
IMO / Olympiad Practice
Olympiad level • 15 min
📝 Full Chapter Test (Download & Print)
40 marks • 90 min • with answer key