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2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020
White phosphorus on reaction with concentrated NaOH solution in an inert atmosphere of CO2 gives phosphine and compound (X). (X) on acidification with HCl gives...
JEE Main Chemistry Easy
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Q JEE-MAIN 2020
A mixture of one mole each of $\mathrm{H}_2, \mathrm{He}$ and $\mathrm{O}_2$ each are enclosed in a cylinder of volume $V$ at temperature $T$. If the...
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Q JEE MAIN 2020
Blocks of masses m, 2m, 4m and 8m are arranged in a line on a frictionless floor. Another block of mass m, moving with speed...
JEE Main Physics Medium
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Q JEE MAIN 2020
Arrange the following bonds according to their average bond energies in descending order
C – Cl, C – Br, C – F, C –...
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Q JEE-MAIN 2020
The major product in the following reaction is
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Q JEE MAIN 2020
In a meter bridge experiment S is a standard resistance. R is a resistance wire. It is found that balancing length is l = 25...
JEE Main Physics Medium
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Q JEE MAIN 2020
A tennis ball is released from a height h and after freely falling on a wooden floor it rebounds and reaches height h/2 . The...
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Q JEE MAIN 2020
For the following Assertion and Reason, the correct option is
Assertion : For hydrogenation reactions, the catalytic activity increases from Group 5 to Group...
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Q JEE-MAIN 2020
The d-electron configuration of $\left[\mathrm{Ru}(\mathrm{en})_3\right] \mathrm{Cl}_2$ and $\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_2$ , respectively are
JEE Main Chemistry Easy
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Q JEE MAIN 2020
The value of current i1 flowing from A to C in the circuit diagram is
JEE Main Physics Easy
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