sblock Elements - Result Question 44
54. Hydrogen peroxide acts both as an oxidising and as a reducing agent in alkaline solution towards certain first row transition metal ions. Illustrate both these properties of $H _2 O _2$ using chemical equations.
$(1998,4 M)$
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Solution:
- $KMnO _4+H _2 O _2 \longrightarrow MnO _2+KOH+O _2$
$\quad \quad \quad OA \quad \quad \quad RA$
$\underset{\text { RA }}{FeSO _4}+\underset{\text { OA }}{H _2 O _2} \longrightarrow Fe^{3+}+H _2 O$
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