JEE CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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Analyzing +4 | -1

In the following reaction,

\mathrm{As}_2 \mathrm{~S}_3+\mathrm{H}^{+}+\mathrm{NO}_3^{-} \longrightarrow \mathrm{NO}+\mathrm{H}_2 \mathrm{O}+\mathrm{AsO}_4^{3-}+\mathrm{SO}_4^{2-}

the equivalent weight of

\mathrm{As}_2 \mathrm{~S}_3

is related to its molecular weight by :

View answer and explanation

Correct option: D

M / 28

Option D is correct because the n-factor is calculated based on the change in oxidation states of As and S, leading to M/28.

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