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2021 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE-MAIN 2021
The stereoisomers that are formed by electrophilic addition of bromine to trans-but-2-ene is/are :
JEE Main Chemistry Easy
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Q JEE-MAIN 2021
In the given chemical reaction, colors of the $\mathrm{Fe}^{2+}$ and $\mathrm{Fe}^{3+}$ ions, , are respectively :
$5 \mathrm{Fe}^{2+}+\mathrm{MnO}_4^{-}+8 \mathrm{H}^{+} \rightarrow \mathrm{Mn}^{2+}+4 \mathrm{H}_2 \mathrm{O}+5 \mathrm{Fe}^{3+}$
JEE Main Chemistry Easy
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Q JEE-MAIN 2021
Which one of the following compounds is aromatic in nature ?
JEE Main Chemistry Easy
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Q JEE MAIN 2021
A fair die is tossed until six is obtained on it. Let $X$ be the number of required tosses, then the conditional probability $...
JEE Main Mathematics Medium
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Q JEE-MAIN 2021
Monomer units of Dacron polymer are :
JEE Main Chemistry Easy
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Q JEE MAIN 2021
For a body executing S.H.M. :
(a) Potential energy is always equal to its K.E.
(b) Average potential and kinetic energy over any...
JEE Main Physics Easy
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Q JEE MAIN 2021
In an ac circuit, an inductor, a capacitor and a resistor are connected in series with $\mathrm{XL}=\mathrm{R}=\mathrm{Xc}$. Impedance of this circuit is
JEE Main Physics Easy
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Q JEE MAIN 2021
A coil is placed in a magnetic field B as shown below :
JEE Main Physics Easy
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Q JEE MAIN 2021
The domain of the function $\operatorname{cosec}^{-1}\left(\frac{1+x}{x}\right)$ is :
JEE Main Mathematics Easy
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Q JEE MAIN 2021
Which one of the following gives the most stable Diazonium salt ?
JEE Main Chemistry Easy
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