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2021 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2021
250 mL of 0.5 M NaOH was added to 500 mL of 1 M HCl . The number of unreacted HCl molecules in the solution...
JEE Main Chemistry Easy
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Q JEE MAIN 2021
The number of lone pairs of electrons on the central I atom in $\mathrm{I}_3^{-}$is $\_\_\_\_$ .
JEE Main Chemistry Easy
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Q JEE-MAIN 2021
A constant magnetic field of 1 T is applied in the x > 0 region. A metallic circular ring of radius 1m is moving with...
JEE Main Physics Easy
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Q JEE MAIN 2021
Match List I with List II : Choose the most appropriate answer from the options...
JEE Main Chemistry Easy
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Q JEE MAIN 2021

For above chemical reactions, identify the correct statement from the following:
JEE Main Chemistry Medium
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Q JEE MAIN 2021
[where $\mathrm{Et} \Rightarrow-\mathrm{C}_2 \mathrm{H}_5{ }^{\mathrm{t}} \mathrm{Bu} \Rightarrow\left(\mathrm{CH}_3\right)_3 \mathrm{C}-$ ]
Consider the above reaction sequence,...
JEE Main Chemistry Medium
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Q JEE-MAIN 2021
If the rms speed of oxygen molecules at 0°C is 160 m/s, find the rms speed of hydrogen molecules at 0°C.
JEE Main Physics Easy
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Q JEE-MAIN 2021
An antenna is mounted on a 400 m tall building. What will be the wavelength of signal of signal that can be radiated effectively by...
JEE Main Physics Easy
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Q JEE MAIN 2021

Which among the above compound/s does/do not form Silver mirror when treated with Tollen's...
JEE Main Chemistry Medium
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Q JEE MAIN 2021
Given below are two statements :
Statement I : Chlorofluoro carbons breakdown by radiation in the visible energy region and release chlorine gas in...
JEE Main Chemistry Easy
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