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NEET UG CHEMISTRY MCQ: P-BLOCK ELEMENTS
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The amount of arsenic penta sulphide that can be obtained when 35.5 g arsenic acid is treated with excess in the presence of conc. HCl (assuming 100 % conversion) is:
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Correct option: D
0.125 mole
Option D (0.125 mole) is correct because the amount of arsenic pentasulphide formed is calculated based on the stoichiometry of the reaction between arsenic acid and hydrogen sulphide.
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