The following reactions show the H 2 O 2 behaviour in A and B reactions as (1) P b S ( s ) + 4 H 2 O 2 a q → P b S O 4 s + 4 H 2 O l (2) H O C l + H 2 O 2 → H 3 O + + C l - + O 2

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TestHub · Accepted Answer

Hydrogen peroxide oxidies lead sulphide to lead sulphate and itself gets reduced. Thus, $H_{2} O_{2}$ acts as an oxidising agent in acidic medium.

Hydrogen peroxide reduces hypochlorous acid to chloride ion in acidic medium and itself gets oxidised.

Thus, $H_{2} O_{2}$ acts as a reducing agent in acidic medium.

Chemistry - s Block Elements Question with Solution | TestHub

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