14 JEE Main 2022 Hydrogen previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2022 previous-year questions from the Hydrogen chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Hydrogen chapter hub.
The reaction of H 2 O 2 with potassium permanganate in acidic medium leads to the formation of mainly
Which one of the following reactions indicates the reducing ability of hydrogen peroxide in basic medium?
The reaction of zinc with excess of aqueous alkali, evolves hydrogen gas and gives
Given below are two statements. Statement I : Stannane is an example of a molecular hydride. Statement II : Stannane is…
Hydrogen has three isotopes : protium H 1 , deuterium ( H 2 or D ) and tritium ( H 3 or T ). They have nearly same chem…
Boiling of hard water is helpful in removing the temporary hardness by converting calcium hydrogen carbonate and magnes…
On reaction with stronger oxidizing agent like KIO 4 , hydrogen peroxide oxidizes with the evolution of O 2 . The oxida…
The products obtained during treatment of hard water using Clark's method are
Given below are two statements: Statement I : Hydrogen peroxide can act as an oxidizing agent in both acidic and basic…
The highest industrial consumption of molecular hydrogen is to produce compound of element :
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