What is the connection between sulfuric acid and hydrogen peroxide?
sulfuric acid and hydrogen peroxide are among the most used chemicals, industrial and laboratory. They are connected in several ways. Two methods of hydrogen peroxide include the use of sulfuric acid, although these have been largely replaced. Several well -known laboratory experiments and demonstrations that are part of many school curriculum requires these two compounds. In addition, mixing of sulfuric acid and hydrogen peroxide creates a highly corrosive solution with a range of use in semiconductor, paper and mining industries. Barria, which is also made up of this reaction, was removed by the addition of sulfuric acid; They react to create an insoluble clot of Barria sulfate. The subsequent method included hydrolysis of peroxydisulfuric acid produced by the electrolysis of sulfuric acid. Today, however, almost all hydrogen peroxide is made by the process of anthraquinone, a more economical procedure that does not include sulfuric acid.
The Reaction of Sulfuric Acid and Hydrogen Peroxide Produces An Aqueous Solution of Peroxymonosulfuric Acid (H H 2 so 5 + h 2 O. This is also known as the "solution of piranha" due to its corrosion: quickly destroys most of the organic materials. Another name is Caro's acid, after German chemist Heinrich Car, who first produced acid. Pure peroxymonosulfuric acid - crystalline solid at room temperature - is prepared by another method, but acid is generally used as an aqueous solution. Piranha solution is usually prepared from concentrated sulfuric acid and 30% of hydrogen peroxide; The proportions may vary depending on the use, but the 3: 1 -sulphical ratio to the hydrogen peroxide is common formulation.
This acid has a number of uses, but must be prepared and processed very carefully. It is a powerful oxidation agent and is particularly usefulé to remove organic residues. For this reason, it is sometimes used to clean glass and other laboratory equipment. Caro's acid is also widely used in the semiconductor industry as etching, and to ensure that silicon wafers and other fine electronic components do not contain organic contaminants. Other uses are in the mining industry - for the separation of metals and ores and decompose toxic compounds of cyanide from waste water - and in the paper industry - for delignment and whitening of wooden pulp.
sulfuric acid can be produced by reaction of hydrogen peroxide and sulfur oxide: H 2 O 2 + SO This method is not commercially used; However, the reaction may occur at the atmosphere - where both sulfuric acid and hydrogen peroxide are found in small amounts - contribute to acid rain. Hydrogen peroxide can form naturally through photochemical reactions. Sulfur dioxide is produced by fosch combustionIll -containing fuels containing sulfur and naturally volcanic activity. Although hydrogen peroxide is not required to produce acid rain from sulfur dioxide, peroxide reaction is much faster.