Question

Give an example of a reaction where $H_{2}O_{2}$ acts as an oxidizing agent under acidic media.

Answer 1

"Hydrogen peroxide" acts as oxidising agents in "both" acidic and basic medium. It also acts as a "reducing agent" in "both" "acidic and basic" medium. It is used as a "bleaching agent" for the paper pulp, textiles, preparation of sodium per borate and deuterium compounds, and automobile fuel.

Example to show "Hydrogen peroxide" acts as oxidising agents in acidic medium.

$2FeSO_{ 4 }(aq)\quad +\quad H_{ 2 }SO_{ 4 }(aq)\quad +\quad H_{ 2 }O_{ 2 }(aq)\quad \longrightarrow \quad Fe_{ 2 }(SO_{ 4 })_{ 3 }(aq)\quad +\quad 2H_{ 2 }O(l)$

$PbS(s)\quad +\quad 4H_{ 2 }O_{ 2 }\quad \longrightarrow \quad PbSO_{ 4 }(s)\quad +\quad 4H_{ 2 }O(l)$"

Answer 2

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