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JEE Main 2023 (Online) 24th January Morning Shift
Numerical
+4
-1
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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

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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

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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 23 English

Given:

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

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

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

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

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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 26 English

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