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sulfuric acid reacts with most bases to give the corresponding

Much H2SO4 is used in petroleum refining, for example as a catalyst for the reaction of isobutane with isobutylene to give isooctane, a compound that raises the octane rating of gasoline (petrol). H2SO4 + CH3COONa →NaHSO4 +CH3COOH Similarly , H2SO4 + KNO3 →HNO3 + K2SO4 Reactions with metals and strong oxidising property Dilute sulphuric acid … After several refinements, this method remained the standard for sulfuric acid production for almost two centuries.[6][7]. Technical grade H2SO4 is impure and often colored, but is suitable for making fertilizer. This page was last edited 15:09, 6 September 2012 by wikidoc user. de:Schwefelsäure When combined with nitric acid, sulfuric acid acts both as an acid and a dehydrating agent, forming the nitronium ion NO+2, which is important in nitration reactions involving electrophilic aromatic substitution. In such cases, the total dissolved solids (TDS) concentration of the water can be increased form the dissolution of minerals from the acid-neutralisation reaction with the minerals. Anhydrous H2SO4 is a very polar liquid, having a dielectric constant of around 100. The compounds of sulfur and iodine are recovered and reused, hence the consideration of the process as a cycle.

Sulfuric acid is used as a defense by certain marine species, for example, the phaeophyte alga Desmarestia munda (order Desmarestiales) concentrates sulfuric acid in cell vacuoles. It consists of three chemical reactions whose net reactant is water and whose net products are hydrogen and oxygen. Dilute sulfuric acid reacts with metals via a single displacement reaction as with other typical acids, producing hydrogen gas and salts (the metal sulfate). Sulfuric acid is also used as a general dehydrating agent in its concentrated form (see Reaction with water). Principal uses include ore processing, fertilizer manufacturing, oil refining, wastewater processing, and chemical synthesis.

The novel Veronika Decides to Die by Paulo Coelho talks of a girl who has attempted to commit suicide and ends up with vitriol poisoning. About 6% of uses are related to pigments and include paints, enamels, printing inks, coated fabrics and paper, and the rest is dispersed into a multitude of applications such as production of explosives, cellophane, acetate and viscose textiles, lubricants, non-ferrous metals and batteries.[25]. Warm water near the interface rises due to convection, which cools the interface, and prevents boiling of either acid or water. [25], The permanent Venusian clouds produce a concentrated acid rain, as the clouds in the atmosphere of Earth produce water rain. This process allowed the effective industrialization of sulfuric acid production. Similar to their alkaline versions, such drain openers can dissolve fats and proteins via hydrolysis. The equilibrium is actually more complex than shown above; 100% H2SO4 contains the following species at equilibrium (figures shown as millimol per kg solvent): HSO4− (15.0), H3SO4+ (11.3), H3O+ (8.0), HS2O7− (4.4), H2S2O7 (3.6), H2O (0.1). Vitriol was widely considered the most important alchemical substance, intended to be used as a philosopher's stone. International commerce of sulfuric acid is controlled under the United Nations Convention Against Illicit Traffic in Narcotic Drugs and Psychotropic Substances, 1988, which lists sulfuric acid under Table II of the convention as a chemical frequently used in the illicit manufacture of narcotic drugs or psychotropic substances. The standard first aid treatment for acid spills on the skin is, as for other corrosive agents, irrigation with large quantities of water. Although less dramatic, the action of the acid on cotton, even in diluted form, will destroy the fabric.

The blue crystal is changed into white powder as water is removed. Sulfuric acid must be stored carefully in containers made of nonreactive material (such as glass). The sulfur trioxide is absorbed into 97–98% H2SO4 to form oleum (H2S2O7), also known as fuming sulfuric acid. This process is endothermic and must occur at high temperatures, so energy in the form of heat has to be supplied. When combined with nitric acid, sulfuric acid acts both as an acid and a dehydrating agent, forming the nitronium ion NO2+, which is important in nitration reactions involving electrophilic aromatic substitution. [9], In the United States of America, sulfuric acid is included in List II of the list of essential or precursor chemicals established pursuant to the Chemical Diversion and Trafficking Act.

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