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Standard XII
Chemistry
Dioxygen
Question

Write fully balanced equation for the liberation of oxygen from hydrogen peroxide.

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Solution
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$$ 2 H_2O_2 $$ $$ \xrightarrow[{\text{Catalyst}}]{MnO_2} $$ $$ 2H_2O $$ + $$ O_2 $$

Hydrogen peroxide Water Oxygen

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Similar Questions
Q1
Write fully balanced equation for the liberation of oxygen from hydrogen peroxide.
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Q2

(a) Starting from hydrogen peroxide how is oxygen gas prepared in the laboratory?

(b) What is the function of manganese dioxide?

(c) Write the fully balanced equation for the liberation of oxygen from hydrogen peroxide.

(d) Why is the above method preferred to any other method?


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Q3
Give balanced equations to obtain oxygen from:

Hydrogen peroxide
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Q4

Write the following equation and balance them.

Silver oxide + Hydrogen peroxide → Silver + Water + Oxygen


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Q5
Why is the liberation of oxygen from hydrogen peroxide preferred to any other method ?
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