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Assertion: The volume strength of a solution of hydrogen peroxide decreases with an increase in the hardness of the water.
Reason: The hardness of water is caused by the presence of ions of calcium and magnesium. These ions react with hydrogen peroxide and reduce its volume strength.
Both assertion & reason are correct
Both assertion & reason are wrong
assertion is wrong & reason is correct
assertion is correct & reason is wrong
Answers (1)
Hydrogen peroxide is a powerful oxidizing agent and is used in various industries for bleaching, disinfection, and sterilization. The volume strength of
is defined as the amount of oxygen that can be released from a given volume of
solution. It is usually expressed in terms of the percentage of present in the solution.
The hardness of water is caused by the presence of ions of calcium and magnesium. These ions react with and reduce their volume strength. The reaction is given as follows:
Equations (1) and (2) show that the ions of calcium and magnesium react with to form calcium peroxide
and magnesium peroxide
respectively. This reaction reduces the amount of
available for oxidation, thereby reducing its volume strength.
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