1
JEE Main 2025 (Online) 23rd January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which among the following react with Hinsberg's reagent?

A. JEE Main 2025 (Online) 23rd January Morning Shift Chemistry - Compounds Containing Nitrogen Question 13 English 1

B. JEE Main 2025 (Online) 23rd January Morning Shift Chemistry - Compounds Containing Nitrogen Question 13 English 2

$\text { C. } \mathrm{CH}_3-\mathrm{NH}_2$

D. $\mathrm{N}\left(\mathrm{CH}_3\right)_3$

E. JEE Main 2025 (Online) 23rd January Morning Shift Chemistry - Compounds Containing Nitrogen Question 13 English 3

Choose the correct answer from the options given below :

A
A, C and E only
B
A, B and E only
C
C and D only
D
B and D only
2
JEE Main 2025 (Online) 23rd January Morning Shift
Numerical
+4
-1
Change Language

For the thermal decomposition of $\mathrm{N}_2 \mathrm{O}_5(\mathrm{~g})$ at constant volume, the following table can be formed, for the reaction mentioned below.

$$2 \mathrm{~N}_2 \mathrm{O}_5(\mathrm{~g}) \rightarrow 2 \mathrm{~N}_2 \mathrm{O}_4(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g})$$

Sr. No. Time/s Total pressure/(atm)
1 0 0.6
2 100 '$\mathrm{x}$'

$\mathrm{x}=$ __________ $\times 10^{-3} \mathrm{~atm}$ [nearest integer]

Given : Rate constant for the reaction is $4.606 \times 10^{-2} \mathrm{~s}^{-1}$.

Your input ____
3
JEE Main 2025 (Online) 23rd January Morning Shift
Numerical
+4
-1
Change Language

The standard enthalpy and standard entropy of decomposition of $\mathrm{N}_2 \mathrm{O}_4$ to $\mathrm{NO}_2$ are $55.0 \mathrm{~kJ} \mathrm{~mol}^{-1}$ and $175.0 \mathrm{~J} / \mathrm{K} / \mathrm{mol}$ respectively. The standard free energy change for this reaction at $25^{\circ} \mathrm{C}$ in J $\mathrm{mol}^{-1}$ is ________ (Nearest integer)

Your input ____
4
JEE Main 2025 (Online) 23rd January Morning Shift
Numerical
+4
-1
Change Language

If 1 mM solution of ethylamine produces $\mathrm{pH}=9$, then the ionization constant $\left(\mathrm{K}_{\mathrm{b}}\right)$ of ethylamine is $10^{-x}$. The value of $x$ is _________ (nearest integer).

[The degree of ionization of ethylamine can be neglected with respect to unity.]

Your input ____
JEE Main Papers
2023
2021
EXAM MAP