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JEE MAIN 2023
24-01-23 S1
Question
Match List I with List II.
Choose the correct answer from the options given below :
Select the correct option:
A
A – III, B – I, C – II, D – IV
B
A – II, B – I, C – III, D – IV
C
A – III, B – IV, C – I, D – II
D
A – II, B – III, C – IV, D – I
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
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JEE Main
Chemistry
Easy
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Q
JEE MAIN_2026
An alkene (X) on ozonolysis followed by reduction gives following products
The alkene ( X ) is :
JEE Main
Chemistry
Hard
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Q
JEE MAIN_2026
Increasing order of electron withdrawing power of following functional groups is:
a. -CN
b. -COOH
c. $-\mathrm{NO}_2$...
JEE Main
Chemistry
Easy
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Q
JEE MAIN_2026
Match the LIST-I with LIST-II
Choose the correct answer from the options given below:
JEE Main
Chemistry
Easy
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Q
JEE MAIN_2026
Correct statements from the following are
A. Potassium dichromate is an oxidising agent and it oxidises $\mathrm{FeSO}_4$ to $\mathrm{Fe}_2\left(\mathrm{SO}_4\right)_3$...
JEE Main
Chemistry
Medium
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Q
JEE MAIN_2026
Which of the following is correct set of 4 quantum numbers of $19^{\text {th }}$ electron in Chromium (Atomic number...
JEE Main
Chemistry
Easy
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Q
JEE MAIN_2026
The correct statements among the following are,
A. $\mathrm{Mo}(\mathrm{VI})$ and $\mathrm{W}(\mathrm{VI})$ are less stable than $\mathrm{Cr}(\mathrm{VI})$.
B. $\mathrm{Ce}^{4+}$ and $\mathrm{Tb}^{4+}$...
JEE Main
Chemistry
Easy
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Q
JEE MAIN_2026
Given below are two statements:
Statement 1 : The covalency of oxygen is generally two but it can exceed upto...
JEE Main
Chemistry
Easy
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Q
JEE MAIN_2026
A monoatomic anion ( $\mathrm{A}^{-}$) has 45 neutrons and 36 electrons. Atomic mass, group in the periodic table and physical...
JEE Main
Chemistry
Easy
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Q
JEE MAIN_2026
Consider the first order reaction $\mathrm{R} \rightarrow \mathrm{P}$. The fraction of molecules decomposed in the given first order reaction can...
JEE Main
Chemistry
Easy
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Q
JEE MAIN_2026
In order to oxidise a mixture of 1 mole each of $\mathrm{FeC}_2 \mathrm{O}_4, \mathrm{Fe}_2\left(\mathrm{C}_2 \mathrm{O}_4\right)_3, \mathrm{FeSO}_4$ and $\mathrm{Fe}_2\left(\mathrm{SO}_4\right)_3$ in acidic...
JEE Main
Chemistry
Easy
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Q
JEE MAIN_2026
At $\mathrm{T}(\mathrm{K})$, the equilibrium constant of $\mathrm{A}_2(g)+\mathrm{B}_2(g) \mathrm{f} \mathrm{C}(g)$ is $2.7 \times 10^{-5}$. What is the equilibrium constant for $...
JEE Main
Chemistry
Easy
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Q
JEE MAIN_2026
Given below are two statements:
, Statement 1 : For an ideal gas, heat capacity at constant volume is always...
JEE Main
Chemistry
Medium
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Q
JEE MAIN_2026
What is the ratio of wave number of first line (lowest energy line) of Balmer series of H atomic spectrum...
JEE Main
Chemistry
Easy
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Q
JEE MAIN_2026
Number of moles and number of molecules in 1.4187 L of $\mathrm{SO}_2$ at STP respectively are
JEE Main
Chemistry
Easy
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Q
JEE MAIN_2026
Consider the following reactions sequence When the product $(\mathrm{P})$ is subjected to Carius analysis using $\mathrm{AgNO}_3, 1.0 \mathrm{~g}$ of the...
JEE Main
Chemistry
Medium
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Q
JEE MAIN_2026
Number of paramagnetic ions among the following $d$ - and $f$-block metal ions is $\_\_\_\_$ . $$ \mathrm{Mn}^{2+}, \mathrm{Cu}^{2+}, \mathrm{Zn}^{2+},...
JEE Main
Chemistry
Easy
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Q
JEE MAIN_2026
Consider the following two half-cell reactions along with the standard reduction potential given : $$ \begin{array}{ll} \mathrm{CO}_2+6 \mathrm{H}^{+}+6 \mathrm{e}^{-} \rightarrow...
JEE Main
Chemistry
Hard
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Q
JEE MAIN_2026
Consider the following gas phase reaction being carried out in a closed vessel at $25^{\circ} \mathrm{C}$. The pressure of $\mathrm{C}(\mathrm{g})$...
JEE Main
Chemistry
Medium
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