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Chemistry

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2025
Match the LIST-I with LIST-II

Choose the correct answer from the options given below:
JEE Main Chemistry Easy
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Q JEE MAIN 2025
On combustion 0.210 g of an organic compound containing $\mathrm{C}, \mathrm{H}$ and O gave $0.127 \mathrm{gH}_2 \mathrm{O}$ and $0.307 \mathrm{gCO}_2$ . The percentages of hydrogen...
JEE Main Chemistry Medium
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Q JEE MAIN 2025
In a first order decomposition reaction, the time taken for the decomposition of reactant to one fourth and one eighth of its initial concentration are...
JEE Main Chemistry Easy
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Q JEE MAIN 2025
Given below are two statements:
Statement I : $\mathrm{H}_2 \mathrm{Se}$ is more acidic than $\mathrm{H}_2 \mathrm{Te}$
Statement II : $\mathrm{H}_2$ Se has higher bond enthalpy...
JEE Main Chemistry Easy
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Q JEE MAIN 2025
JEE Main Chemistry Medium
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Q JEE MAIN 2025
Xg of nitrobenzene on nitration gave 4.2 g of m -dinitrobenzene. $\mathrm{X}=$ $\_\_\_\_$ g. (nearest integer) [Given : molar mass (in gmol $^{-1}$ ) $...
JEE Main Chemistry Medium
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Q JEE MAIN 2025
A sample of $n$-octane $(1.14 \mathrm{~g})$ was completely burnt in excess of oxygen in a bomb calorimeter, whose heat capacity is $5 \mathrm{~kJ} \mathrm{~K}^{-1}$. As...
JEE Main Chemistry Medium
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Q JEE MAIN 2025
Among, and Cu , identify the element with highest enthalpy of atomisation. The spin only magnetic moment value of that element in its +2 oxidation...
JEE Main Chemistry Easy
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Q JEE MAIN 2025

A perfect gas ( 0.1 mol ) having $\overline{\mathrm{C}}_v=1.50 \mathrm{R}$ (independent of temperature) undergoes the...
JEE Main Chemistry Medium
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Q JEE MAIN 2025
The total number of structural isomers possible for the substituted benzene derivatives with the molecular formula $\mathrm{C}_9 \mathrm{H}_{12}$ is $\_\_\_\_$
JEE Main Chemistry Medium
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