Chromic acid definition
Webchromic acid noun A corrosive acid, HCrO, known only in solution or as its salts, the chromates (from which it may be prepared); it is a very powerful oxidizing agent. … WebChromic acid H2CrO4 or CrH2O4 CID 24425 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities ...
Chromic acid definition
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WebAn orange-red crystalline solid, chromic acid liquefies gradually when exposed to moist air. It is usually produced by treatment of sodium dichromate with sulfuric acid. Chromic acid is used chiefly for … WebChromic acid The term chromic acid is usually used for a mixture made by adding concentrated sulfuric acid to a dichromate, which may contain a variety of compounds, including solid chromium trioxide. This kind of chromic acid may be used as a cleaning mixture for glass.
WebChromic acid (H 2 CrO 4, generated by mixing sodium dichromate, Na 2 Cr 2 O 7, with sulfuric acid, H 2 SO 4) is an effective oxidizing agent for most alcohols. It is a strong oxidant, and it oxidizes the alcohol as far as possible without breaking carbon-carbon bonds. Chromic acid oxidizes primary alcohols to carboxylic acids, and it oxidizes ... Chromic acid is an intermediate in chromium plating, and is also used in ceramic glazes, and colored glass. Because a solution of chromic acid in sulfuric acid (also known as a sulfochromic mixture or chromosulfuric acid) is a powerful oxidizing agent, it can be used to clean laboratory glassware, particularly of … See more The term chromic acid is usually used for a mixture made by adding concentrated sulfuric acid to a dichromate, which may contain a variety of compounds, including solid chromium trioxide. This kind of chromic acid may … See more Dichromic acid, H2Cr2O7 is the fully protonated form of the dichromate ion and also can be seen as the product of adding chromium trioxide … See more Hexavalent chromium compounds (including chromium trioxide, chromic acids, chromates, chlorochromates) are toxic and carcinogenic. For this reason, chromic acid … See more • International Chemical Safety Card 1194 • NIOSH Pocket Guide to Chemical Hazards. "#0138". National Institute for Occupational Safety and Health See more Molecular chromic acid, H2CrO4, has much in common with sulfuric acid, H2SO4. Only sulfuric acid can be classified as part of … See more Chromic acid is capable of oxidizing many kinds of organic compounds and many variations on this reagent have been developed: See more • Piranha solution – [Per-hexa-sulfuric acid] is an oxidizing acid mixture containing sulfuric acid and hydrogen peroxide able to dissolve elemental carbon See more
WebChromic acid anodize is used for optimum corrosion resistance for severe applications, such as aerospace and military use, but because chrome, in some form, is a carcinogen this process is being phased out. … WebJan 11, 2024 · Chromic acid has several oxygens surrounding the chromium. These oxygens are able to act as a source of oxidation for the aldehyde or alcohol. Since chromium loses an oxygen it's reduced to an ...
Webn. 1. A corrosive, oxidizing acid, H 2CrO4, occurring only as salts or in solution. 2. The anhydride of chromic acid, CrO3, a purplish crystalline material that reacts explosively …
WebThe meaning of PERCHROMIC ACID is any of several peroxy compounds of chromium known especially in the form of salts —called also peroxychromic acid—not used systematically. ... per· chromic acid "+ ... Post the Definition of perchromic acid to Facebook Facebook. Share the Definition of perchromic acid on Twitter Twitter. chisholm academic calendarWebnoun. (chemistry) A certain highly oxidized compound of chromium, with a deep blue colour, and produced by the action of hydrogen peroxide. Wiktionary. graphite reviewsWebchromic ( ˈkrəʊmɪk) adj 1. (Elements & Compounds) of or containing chromium in the trivalent state 2. (Elements & Compounds) of or derived from chromic acid Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014 chro•mic (ˈkroʊ mɪk) adj. chisholm accountingWebZinc chromate is an insoluble, carcinogenic form of chromate. Accordingly, the current OSHA limit for chromic acid and chromates applies, as does the NIOSH limit of 0.001 mg/m 3 for carcinogenic chromates. The ACGIH (1986/Ex. 1-3) reviewed several small epidemiologic studies of zinc chromate workers, all of which reported excesses of lung … chisholm 8 theatresWeban unstable acid that is a strong oxidizing agent. Formula: HClO 2 dithionous acid dichromic acid chlorous acid Which acid am I? a crystalline odourless deliquescent solid: a … chisholm accounting gympieWebchromic acid noun : an acid H2CrO4 analogous to sulfuric acid but known only in solution and especially in the form of its salts (as lead chromate) most of which are yellow and … chisholm 8Webchromic acid. [ kro´mik] 1. a dibasic acid, H 2CrO4; its salts are called chromates. 2. chromium trioxide. Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and … chisholm academy reviews