Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 4 - Reactions in Aqueous Solutions - Questions & Problems: 4.139

Answer

Please see the work below.

Work Step by Step

We know that sulphites are converted into sulphates by reaction with hydrogen peroxide. $SO_3^{-2}+H_2O_2\rightarrow SO_4^{-2}+H_2O$ Sulphate ions are treated with barium chloride to produce barium sulphate precipitate. The reaction is given as follows: $SO_4^{-2}+BaCl_2\rightarrow BaSO_4+2Cl^-$
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