1
JEE Main 2023 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Increasing order of stability of the resonance structures is :

JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Compounds Containing Nitrogen Question 43 English

Choose the correct answer from the options given below :

A
D, C, B, A
B
C, D, B, A
C
C, A, B, D
D
D, C, A, B
2
JEE Main 2023 (Online) 24th January Morning Shift
Numerical
+4
-1
Change Language

For independent process at 300 K

Process $$\mathrm{\Delta H/kJ~mol^{-1}}$$ $$\mathrm{\Delta S/J~K^{-1}}$$
A $$-25$$ $$-80$$
B $$-22$$ 40
C 25 $$-50$$
D 22 20

The number of non-spontaneous process from the following is __________

Your input ____
3
JEE Main 2023 (Online) 24th January Morning Shift
Numerical
+4
-1
Change Language

When $$\mathrm{Fe_{0.93}O}$$ is heated in presence of oxygen, it converts to $$\mathrm{Fe_2O_3}$$. The number of correct statement/s from the following is ________

A. The equivalent weight of $$\mathrm{Fe_{0.93}O}$$ is $${{\mathrm{Molecular\,weight}} \over {0.79}}$$

B. The number of moles of Fe$$^{2+}$$ and Fe$$^{3+}$$ in 1 mole of $$\mathrm{Fe_{0.93}O}$$ is 0.79 and 0.14 respectively

C. $$\mathrm{Fe_{0.93}O}$$ is metal deficient with lattice comprising of cubic closed packed arrangement of O$$^{2-}$$ ions

D. The % composition of Fe$$^{2+}$$ and Fe$$^{3+}$$ in $$\mathrm{Fe_{0.93}O}$$ is 85% and 15% respectively

Your input ____
4
JEE Main 2023 (Online) 24th January Morning Shift
Numerical
+4
-1
Change Language

5 g of NaOH was dissolved in deionized water to prepare a 450 mL stock solution. What volume (in mL) of this solution would be required to prepare 500 mL of 0.1 M solution? _____________

Given : Molar Mass of Na, O and H is 23, 16 and 1 g mol$$^{-1}$$ respectively

Your input ____
JEE Main Papers
2023
2021
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12