Question

Hydrogen peroxide should not be stored in glass bottle: Explain.
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Answer 1

Answer:

• Glass bottles contain alkali oxides which catalyses the decomposition of $\rm H_2O_2$. Hence, hydrogen peroxide should not be stored in glass bottles.

• Instead, paraffin wax coated plastic or teflon bottles can be used for its storage. To check on the decomposition of $\rm H_2O_2$, stabilizers like acid, glycerol, alcohol, acetamide, phosphoric acid, etc., are often used in small amounts.

Answer 2

QUESTION

Hydrogen peroxide should not be stored in glass bottle: Explain.

ANSWER

Hydrogen peroxide is a chemical compound containing molecules of hydrogen and water. Its chemical formula is written as H2O2.

Hydrogen peroxides should be stored in colored glass bottles because

• It is a very reactive chemical substance.

• This compound is always kept in the brown-coloured bottle to preserve its chemical properties.

• Regular glass bottles contain alkali metal ion residues within. If hydrogen peroxide comes into contact with this, the chemical can transform into water or evaporate as oxygen gas.

• The chemicals are stored in brown bottles to avoid exposure to heat, humidity, and alkali metal ions.

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