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2025 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2025
Pair of transition metal ions having the same number of unpaired electrons is
JEE Main Chemistry Easy
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Q JEE MAIN 2025
Which one of the following complexes will have ${\Delta _0} = 0$ and $\mu = 5.96$ B.M?
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Q JEE MAIN 2025
Let us consider a reversible reaction at temperature, T.
In this reaction, both $\Delta {\rm{H}}$ and $\Delta {\rm{S}}$ were observed to have positive values. If...
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Q JEE MAIN 2025
An organic compound (X) with molecular formula ${{\rm{C}}_3}{{\rm{H}}_6}{\rm{O}}$ is not readily oxidised. On reduction it gives ${{\rm{C}}_3}{{\rm{H}}_8}{\rm{O}}({\rm{Y}})$ which reacts with HBr to give a bromide...
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Q JEE MAIN 2025
On charging the lead storage battery, the oxidation state of lead changes from ${x_1}$ to ${y_1}$ at the anode and from ${x_2}$ to ${y_2}$ at...
JEE Main Chemistry Medium
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Q JEE MAIN 2025
The major product (A) formed in the following reaction sequence is
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Q JEE MAIN 2025
For $\mathrm{A}_2+\mathrm{B}_2 \rightleftharpoons 2 \mathrm{AB}$ ${{\rm{E}}_{\rm{a}}}$ for forward and backward reaction are 180 and $200\;{\rm{kJ}}\;{\rm{mo}}{{\rm{l}}^{ - 1}}$ respectively If catalyst lowers ${{\rm{E}}_{\rm{a}}}$ for both reaction...
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Q JEE MAIN 2025
Number of stereoisomers possible for the complexes, $\left[ {{\rm{CrC}}{{\rm{l}}_3}{{({\rm{py}})}_3}} \right]$ and ${\left[ {{\rm{CrC}}{{\rm{l}}_2}{{({\rm{ox}})}_2}} \right]^{3 - }}$ are respectively (py = pyridine, ox = oxalate)
JEE Main Chemistry Medium
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Q JEE MAIN 2025
Rate law for a reaction between A and B is given by
${\rm{r}} = {\rm{k}}{[\;{\rm{A}}]^{\rm{n}}}{[\;{\rm{B}}]^{\rm{m}}}$
If concentration of A is doubled and concentration of B...
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Q JEE MAIN 2025
Predict the major product of the following reaction sequence:-
JEE Main Chemistry Medium
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