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QJEE MAIN 2025
In which pairs, the first ion is more stable than the second?
JEE MainChemistryEasy
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QJEE MAIN 2025
Identify the structure of the final product (D) in the following sequence of the reactions : Total number of hybridised carbon atoms in product D...
JEE MainChemistryMedium
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QJEE MAIN 2025
Match the LIST-I with LIST-II
Choose the correct answer from the options given below:
JEE MainChemistryEasy
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QJEE MAIN 2025
Consider the ground state of chromium atom $(Z=24)$ . How many electrons are with Azimuthal quantum number $l=1$ and $l=2$ respectively ?
JEE MainChemistryEasy
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QJEE MAIN 2025
Consider the following molecule (X). The structure of X is The major product formed when...
JEE MainChemistryEasy
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QJEE MAIN_2025
Let $y=y(x)$ be the solution of the differential equation $\left(x^2+1\right) y^2-2 x y=\left(x^4+2 x^2+1\right) \cos x$. $y(0)=1$. Then $\int_{-2}^3 y(x) \mathrm{d} x$ is:
JEE MainPhysicsMedium
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QJEE MAIN_2025
The number of real roots of the equation $x|x-2|+3|x-3|+1=0$ is i
JEE MainPhysicsEasy
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QJEE MAIN 2025
Let the function $f(x)=\frac{x}{3}+\frac{3}{x}+3, x \neq 0$ be strictly increasing in $\left(-\infty, \alpha_1\right) \cup\left(\alpha_2, \infty\right)$ and strictly decreasing in $\left(\alpha_3, \alpha_4\right) \cup\left(\alpha_4, \alpha_5\right)$. Then $...
JEE MainMathematicsEasy
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QJEE MAIN 2025
In Dumas' method 292 mg of an organic compound released 50 mL of nitrogen gas at 300 K temperature and 715 mm Hg pressure. The...
JEE MainChemistryMedium
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QJEE MAIN_2025
If the orthocenter of the triangle formed by the lines $y=x+1, y=4 x-8$ and $y=m x+c$ is at $(3,-1)$ , then $\mathrm{m}-\mathrm{c}$ is :
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