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Question
Complete the following chemical reaction.
\[\ce{PbS_{(s)} + H_2O_{2(aq)} ->}\] ______
Classify the chemical reaction into (a) hydrolysis, (b) redox and (c) hydration reactions.
Solution
\[\ce{PbS_{(s)} + H_2O_{2(aq)} -> \underline{\text{PbSO}_{4(s)} + \text{H}_2\text{O}_{(l)}}}\].
H2O2 is acting as an oxidizing agent in the reaction. Hence, it is a redox reaction.
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