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JEE CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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Analyzing +4 | -1
For the reaction: Fe2 S3⟶FeSO4+SO2\mathrm{Fe}_2 \mathrm{~S}_3 \longrightarrow \mathrm{FeSO}_4+\mathrm{SO}_2. The equivalent mass of Fe2 S3\mathrm{Fe}_2 \mathrm{~S}_3 is (M is the mol wt of Fe2 S3\mathrm{Fe}_2 \mathrm{~S}_3 )
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Correct option: D
M20\frac{M}{20}
Option D (M20\frac{M}{20}) is correct because the n-factor for the given reaction is 20, and the equivalent mass is calculated as M/n.

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