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JEE MAIN 2025
03-04-2025 S2
Question
The total number of structural isomers possible for the substituted benzene derivatives with the molecular formula $\mathrm{C}_9 \mathrm{H}_{12}$ is $\_\_\_\_$
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Showing 18 questions
QJEE Advance 20202020
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QJEE Advance 20082008
In hexagonal systems of crystals, a frequently encountered arrangement of atoms is described as a hexagonal prism. Here, the top...
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QJEE Advance 20082008
In hexagonal systems of crystals, a frequently encountered arrangement of atoms is described as a hexagonal prism. Here, the top...
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QJEE Advance 20082008
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QJEE Advance 20082008
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STATEMENT-1 For an observer looking out through the window of a fast moving train, the nearby objects appear to move...
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QJEE Advance 20082008
STATEMENT-1: There is a natural asymmetry between converting work to heat and converting heat to work and
STATEMENT-2: No...
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STATEMENT-1: The geometrical isomers of the complex $\left[\mathrm{M}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]$ are optically inactive. and
STATEMENT-2: Both geometrical isomers of the...
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STATEMENT-1 The sensitivity of a moving-coil galvanometer is increased by placing a suitable magnetic material as a core inside the...
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QJEE Advance 20082008
STATEMENT-1: $\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{NO}\right] \mathrm{SO}_4$ is paramagnetic.
and
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STATEMENT-1 For practical purposes, the earth is used as a reference at zero potential in electrical circuits. and STATEMENT-2 The...
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Cellulose upon acetylation with excess acetic anhydride/ $\mathrm{H}_2 \mathrm{SO}_4$ (catalytic) gives cellulose triacetate whose structure is
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QJEE Advance 20082008
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A radioactive sample S 1 having an activity of $5 \mu \mathrm{Ci}$ has twice the number of nuclei as another...
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