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Hydrogen

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2022
For kinetic study of the reaction of iodide ion with $\mathrm{H}_2 \mathrm{O}_2$ at room temperature :
(A) Always use freshly prepared starch solution.
(B) Always...
JEE Main Chemistry Medium
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Q JEE MAIN 2022
High purity (>99.95%) dihydrogen is obtained by
JEE Main Chemistry Easy
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Q JEE MAIN 2022
The metal salts formed during softening of hardwater using Clark's method are :
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Q JEE MAIN 2022
On reaction with stronger oxidizing agent like $\mathrm{KIO}_4$, hydrogen peroxide oxidizes with the evolution of $\mathrm{O}_2$. The oxidation number of I in $\mathrm{KIO}_4$ changes to...
JEE Main Chemistry Easy
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Q JEE MAIN 2022
The products obtained during treatment of hard water using Clark's method are:
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Q JEE MAIN 2022
Which of the following can be used to prevent the decomposition of H2O2?
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Q JEE MAIN 2022
Hydrogen has three isotopes : protium $\left({ }^1 \mathrm{H}\right)$ deuterium $\left({ }^2 \mathrm{H}\right.$ or D$)$ and tritium $\left({ }^3 \mathrm{H}\right.$ or T$)$ . They have...
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Q JEE MAIN 2022
Which one of the following reactions indicates the reducing ability of hydrogen peroxide in basic medium ?
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Q JEE MAIN 2023
Match List I with List II 1-Bromopropane is reacted with reagents in List-I to give product in List-II
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Q JEE MAIN 2023
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Isotopes of hydrogen...
JEE Main Chemistry Easy
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