Advertisements
Advertisements
Question
With the help of suitable examples, explain the property of \[\ce{H2O2}\] that is responsible for its bleaching action?
Advertisements
Solution
\[\ce{H2O2}\] decomposes slowly on exposure to light.
\[\ce{2H2O2 -> 2H2O + 2O2}\]
In daily life it is used as a hair bleach and as a mild disinfectant. As an antiseptic it is sold in the market as perhydrol.
APPEARS IN
RELATED QUESTIONS
Write chemical reactions to justify that hydrogen peroxide can function as an oxidizing as well as reducing agent.
Calculate the strength of 5 volume \[\ce{H2O2}\] solution.
An acidic solution of hydrogen peroxide behaves as an oxidising as well as reducing agent. Illustrate it with the help of a chemical equation.
Why can dilute solutions of hydrogen peroxide not be concentrated by heating. How can a concentrated solution of hydrogen peroxide be obtained?
Phosphoric acid is preferred over sulphuric acid in preparing hydrogen peroxide from peroxides. Why?
Illustrate oxidising, reducing and acidic properties of hydrogen peroxide with equations.
A colourless liquid ‘A’ contains H and O elements only. It decomposes slowly on exposure to light. It is stabilised by mixing urea to store in the presence of light. Write chemical equations for its decomposition reaction in light.
\[\ce{H2O2}\] is always stored in black bottles because ______.
Which one of the following reactions indicated the reducing ability of hydrogen peroxide in basic medium?
10 ml of H2O2 solution when reacted with KI solution produced 0.5 g of iodine. The percentage of purity of H2O2 (by volume) is ______%.
