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2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020
Which of the following compunds will show retention in configuration on nucleophic substitution by OH– ion?
JEE Main Chemistry Easy
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Q JEE Main 2020
The number of integral values of $k$ for which the line, $3 x+4 y=k$ intersects the circle, $x^2+y^2-2 x- 4 y+4=0$ at two distinct points...
JEE Main Mathematics Medium
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Q JEE MAIN 2020
Let $n>2$ be an integer. Suppose that there are $n$ Metro stations in a city located along a circular path. Each pair of stations is...
JEE Main Mathematics Hard
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Q JEE Main 2020
Let $\vec{a}, \vec{b}$ and $\vec{c}$ be three unit vectors such that $|\vec{a}-\vec{b}|^2+|\vec{a}-\vec{c}|^2=8$. Then $|\vec{a}+2 \vec{b}|^2+|\vec{a}+2 \vec{c}|^2$ is equal to
JEE Main Mathematics Medium
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Q JEE MAIN 2020
Consider that a $\mathrm{d}^6$ metal ion $\left(\mathrm{M}^{2+}\right)$ forms a complex with aqua ligands, and the spin only magnetic moment of the complex is 4.90 BM...
JEE Main Chemistry Medium
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Q JEE MAIN 2020
Consider a region $\mathrm{R}=\left\{(\mathrm{x}, \mathrm{y}) \in \mathrm{R}^2 \cdot \mathrm{x}^2 \leq \mathrm{y} \leq 2 \mathrm{x}\right\}$. if a line $\mathrm{y}=\alpha$ divides the area of region R into...
JEE Main Mathematics Medium
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Q JEE Main 2020
Let $\alpha>0, \beta>0$ be such that $\alpha^3+\beta^2=4$. If the maximum value of the term independent of $x$ in the binomial expansion of $\left(\alpha x^{\frac{1}{9}}+\beta x^{-\frac{1}{6}}\right)^{10}$...
JEE Main Mathematics Hard
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Q JEE MAIN 2020
For octahedral Mn(II) and tetrahedral Ni(II) complexes, consider the following statements:
(I) both the complexes can be high spin.
(II) Ni(II) complex can...
JEE Main Chemistry Easy
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Q JEE Main 2020
Area (in sq. units) of the region outside $\frac{|x|}{2}+\frac{|y|}{3}=1$ and inside the ellipse $\frac{x^2}{4}+\frac{y^2}{9}=1$ is :
JEE Main Mathematics Medium
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Q JEE MAIN 2020
Which one of the following graphs is not correct for ideal gas?

d...
JEE Main Chemistry Easy
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