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2024 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2024
Number of metal ions characterized by flame test among the following is $\_\_\_\_$ $$ \mathrm{Sr}^{2+}, \mathrm{Ba}^{2+}, \mathrm{Ca}^{2+}, \mathrm{Cu}^{2+}, \mathrm{Zn}^{2+}, \mathrm{Co}^{2+}, \mathrm{Fe}^{2+} $$
JEE Main Chemistry Easy
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Q JEE MAIN 2024
Total number of species from the following which can undergo disproportionation reaction $\_\_\_\_$ . $$ \mathrm{H}_2 \mathrm{O}_2, \mathrm{ClO}_3^{-}, \mathrm{P}_4, \mathrm{Cl}_2, \mathrm{Ag}, \mathrm{Cu}^{+1}, \mathrm{~F}_2, \mathrm{NO}_2, \mathrm{~K}^{+}...
JEE Main Chemistry Medium
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Q JEE MAIN 2024
Number of geometrical isomers possible for the given structure is/are ______.
JEE Main Chemistry Medium
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Q JEE MAIN 2024
Identify A and B in the following reaction sequence.
JEE Main Chemistry Medium
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Q JEE MAIN 2024
The pH of an aqueous solution containing 1 M benzoic acid $\left(\mathrm{pK}_{\mathrm{a}}=4.20\right)$ and 1 M sodium benzoate is 4.5. The volume of benzoic acid solution...
JEE Main Chemistry Easy
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Q JEE MAIN 2024
A sample of $\mathrm{CaCO}_3$ and $\mathrm{MgCO}_3$ weighed 2.21 g is ignited to constant weight of 1.152 g . The composition of mixture is: (Given molar...
JEE Main Chemistry Hard
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Q JEE MAIN 2024
The total number of correct statements, regarding the nucleic acids is _______.
A. RNA is regarded as the reserve of genetic information.
B. DNA molecule...
JEE Main Chemistry Easy
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Q JEE MAIN 2024
Two reactions are given below: $$ \begin{aligned} & 2 \mathrm{Fe}_{(\mathrm{s})}+\frac{3}{2} \mathrm{O}_{2(\mathrm{~g})} \rightarrow \mathrm{Fe}_2 \mathrm{O}_{3(\mathrm{~s})}, \Delta \mathrm{H}^{\mathrm{o}}=-822 \mathrm{~kJ} / \mathrm{mol} \\ & \mathrm{C}_{(\mathrm{s})}+\frac{1}{2} \mathrm{O}_{2(\mathrm{~g})} \rightarrow \mathrm{CO}_{(\mathrm{g})},...
JEE Main Chemistry Easy
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Q JEE MAIN 2024
$\mathrm{NO}_2$ required for a reaction is produced by decomposition of $\mathrm{N}_2 \mathrm{O}_5$ in $\mathrm{CCl}_4$ as by equation $2 \mathrm{~N}_2 \mathrm{O}_{5(\mathrm{~g})} \rightarrow 4 \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})}$
The initial...
JEE Main Chemistry Easy
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Q JEE MAIN 2024
Match List I with List II

Choose the correct answer from the options given below...
JEE Main Chemistry Medium
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