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JEE MAIN 2023
25-01-23 S1
Question
The compound which will have the lowest rate towards nucleophilic aromatic substitution on treatment with OH– is
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Showing 18 questions
QJee Main 20242024
Let the slope of the line $45 x+5 y+3=0$ be $27 r_1+\frac{9 r_2}{2}$ for some $r_1, r_2 \in R$. Then...
JEE MainMathematicsEasy
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QJee Main 20242024
Let the set $C=\left\{(x, y) \mid x^2-2^y=2023, x, y \in \mathbb{N}\right\}$. Then $\sum_{(x, y) \in C}(x+y)$ is equal to
JEE MainMathematicsMedium
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QJee Main 20242024
Remainder when $64^{32^{32}}$ is divided by 9 is equal to
JEE MainMathematicsMedium
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QJee Main 20242024
Let $f(x)=\sqrt{\lim _{r \rightarrow x}\left\{\frac{2 r^2\left[(f(r))^2-f(x) f(r)\right]}{r^2-x^2}-r^3 e^{\frac{f(r)}{r}}\right\}}$ be differentiable in $(-\infty, 0) \cup(0, \infty)$ and $f(1)=1$. Then the value...
JEE MainMathematicsHard
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Q JEE MAIN 20242024
The number of symmetric relations defined on the set $\{1,2,3,4\}$ which are not reflexive is
JEE MainMathematicsEasy
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QJee Main 20242024
Let $O$ be the origin, and $M$ and $N$ be the points on the lines $\frac{x-5}{4}=\frac{y-4}{1}=\frac{z-5}{3}$ and $\frac{x+8}{12}=\frac{y+2}{5}=\frac{z+11}{9}$ respectively such...
JEE MainMathematicsMedium
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QJEE Main 20242024
Fuel cell, using hydrogen and oxygen as fuels,
A. has been used in spaceship
B. has as efficiency...
JEE MainChemistryEasy
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QJEE Main 20242024
If an iron (III) complex with the formula $\left[\mathrm{Fe}\left(\mathrm{NH}_3\right)_{\mathrm{x}}(\mathrm{CN})_{\mathrm{y}}\right]^{-}$has no electron in its $\mathrm{e}_{\mathrm{g}}$ orbital, then the value of $\mathrm{x}+\mathrm{y}$...
JEE MainChemistryEasy
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QJee Main 20242024
Let the area of the region $\left\{(x, y): 0 \leq x \leq 3,0 \leq y \leq \min \left\{\mathrm{x}^2+2,2 \mathrm{x}+2\right\}\right\}$ be...
JEE MainMathematicsMedium
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QJEE Main 20242024
The correct order of the first ionization enthalpy is
JEE MainChemistryEasy
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QJEE MAIN 20242024
The variance $\sigma^2$ of the data
JEE MainMathematicsEasy
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QJee Main 20242024
If $\int_{\frac{\pi}{6}}^{\frac{\pi}{3}} \sqrt{1-\sin 2 x} d x=\alpha+\beta \sqrt{2}+\gamma \sqrt{3}$, where $\alpha, \beta$ and $\gamma$ are rational numbers, then $...
JEE MainMathematicsMedium
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QJEE MAIN 20242024
The area of the region enclosed by the parabola $(y-2)^2=x-1$, the line $x-2 y+4=0$ and the positive coordinate axes is
JEE MainMathematicsEasy
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QJEE MAIN 20242024
The number of real solutions of the equation $x\left(x^2+3|x|+5|x-1|+6|x-2|\right)=0$ is
JEE MainMathematicsEasy
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QJee Main 20242024
Let $\mathrm{P}(\alpha, \beta)$ be a point on the parabola $\mathrm{y}^2=4 \mathrm{x}$. If P also lies on the chord of the...
JEE MainMathematicsMedium
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QJee Main 20242024
Let for any three distinct consecutive terms $a, b, c$ of an A.P, the lines $a x+b y+c=0$ be concurrent...
JEE MainMathematicsMedium
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QJEE MAIN 20242024
In an examination of Mathematics paper, there are 20 questions of equal marks and the question paper is divided into...
JEE MainMathematicsEasy
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QJEE Main 20242024
The adsorbent used in adsorption chromatography is/are
A. silica gel B. alumina
C. quick lime D. magnesia
...
JEE MainChemistryEasy
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