1
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 ____
2
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 ____
3
JEE Main 2023 (Online) 24th January Morning Shift
Numerical
+4
-1
Change Language

Uracil is a base present in RNA with the following structure. % of N in uracil is ___________

JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Biomolecules Question 34 English

Given:

Molar mass N = 14 g mol$$^{-1}$$

O = 16 g mol$$^{-1}$$

C = 12 g mol$$^{-1}$$

H = 1 g mol$$^{-1}$$

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

Number of moles of AgCl formed in the following reaction is _____________

JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 37 English

Your input ____
JEE Main Papers
2023
2021
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12