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2025 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2025
0.01 mole of an organic compound $(X)$ containing $10 \%$ hydrogen, on complete-combustion produced$0.9 \mathrm{gH}_{2} \mathrm{O}$. Molar mass of $(\mathrm{X})$ is $\_\_\_\_$ $\mathrm{gmol}^{-1}$.
JEE Main Chemistry Easy
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Q JEE MAIN 2025
Consider the following sequence of reactions. Total number of $\mathrm{sp}^{3}$ hybridised carbon atoms in the major product C formed is $\_\_\_\_$ .
JEE Main Chemistry Hard
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Q JEE MAIN 2025
Standard electrode potentials for a few half cells are mentioned below : $\mathrm{E}_{\mathrm{Cu}^{2+} / \mathrm{Cu}}^{\circ}=0.34 \mathrm{~V}, \mathrm{E}_{\mathrm{Zn}^{2+} / \mathrm{Zn}}^{\circ}=-0.76 \mathrm{~V}$ $...
JEE Main Chemistry Medium
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Q JEE MAIN 2025
Identify $\mathrm{A}, \mathrm{B}$ and C in the given below reaction sequence
JEE Main Chemistry Easy
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Q JEE MAIN 2025
The ascending order of relative rate of solvolysis of following compounds is :
JEE Main Chemistry Easy
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Q JEE MAIN 2025
Identify the coordination complexes in which the central metal ion has $d^{4}$ configuration. Choose the correct answer from the options given below :
JEE Main Chemistry Medium
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Q JEE MAIN 2025
The $\alpha$-Helix and $\beta$-Pleated sheet structures of protein are associated with its :
JEE Main Chemistry Easy
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Q JEE MAIN 2025
A vessel with square cross-section and height of 6 m is vertically partitioned. A small window of $100c{m^2}$ with hinged door is fitted at a...
JEE Main Physics Easy
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Q JEE MAIN 2025
A steel wire of length 2 m and Young's modulus $2.0 \times {10^{11}}N{m^{ - 2}}$ is stretched by a force. If Poisson ratio and transverse...
JEE Main Physics Medium
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Q JEE MAIN 2025
A person travelling on a straight line moves with a uniform velocity ${v_1}$ for a distance x and with a uniform velocity ${v_2}$ for the...
JEE Main Physics Medium
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