Question
Write decomposition reaction of hydrogen peroxide. Suggest how this decomposition can be prevented.
✓
Answer
i. Hydrogen peroxide decomposes as,
$\underset{\substack{\text { Hydrogen } \\ \text { peroxide }}}{2 H _2 O _{2(h)}} \longrightarrow \underset{\text { Water }}{2 H _2 O _{(l)}}+\underset{\text { }}{ O _{2(g)}}$
ii. The reaction can be inhibited by addition of dilute acid or glycerol as they act as inhibitors.
$\underset{\substack{\text { Hydrogen } \\ \text { peroxide }}}{2 H _2 O _{2(h)}} \longrightarrow \underset{\text { Water }}{2 H _2 O _{(l)}}+\underset{\text { }}{ O _{2(g)}}$
ii. The reaction can be inhibited by addition of dilute acid or glycerol as they act as inhibitors.
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