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Q JEE MAIN_2026_
Identify A in the following reaction.
JEE MainChemistryMedium
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QJEE MAIN_2019_
Match the refining methods (Column I) with metals (Column II). Column I Column II (Refining methods) (Metals) (I) Liquation (a) Zr (II) Zone Refining (b)...
JEE MainChemistryEasy
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QJEE MAIN_2019_
At 300 K and 1 atmospheric pressure, 10 mL of a hydrocarbon required 55 mL of $\mathrm{O}_2$ for complete combustion, and 40 mL of $\mathrm{CO}_2$...
JEE MainChemistryMedium
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QJEE MAIN 2020
The major product in the following reaction is
JEE MainChemistryEasy
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QJEE MAIN 2019
In the following skew conformation of ethane, H′ – C – C – H″ dihedral angle is
JEE MainChemistryEasy
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QJEE-MAIN 2019
The major product of the following reaction is
JEE MainChemistryEasy
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QJEE MAIN 2019
The major product of the following addition reaction is
JEE MainChemistryMedium
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QJEE MAIN 2019
The major product of the following reaction is
$\mathrm{CH}_3 \mathrm{C} \equiv \mathrm{CH} \xrightarrow[\text { (ii)DI }]{\text { (i)DCl (1equiv.) }}$
JEE MainChemistryEasy
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QJEE MAIN 2020
The major product obtained from the following reaction is
JEE MainChemistryMedium
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QJEE MAIN 2020
Dihydrogen of high purity (> 99.95%) is obtained through
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