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permanganic acid

American  

noun

Chemistry.
  1. an acid, HMnO 4 , known only in solution.


permanganic acid British  
/ ˌpɜːmænˈɡænɪk /

noun

  1. Systematic name: manganic(VII) acid.  a monobasic acid known only in solution and in the form of permanganate salts. Formula: HMnO 4

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

permanganic acid Scientific  
/ pûr′măn-gănĭk /
  1. An unstable inorganic acid existing only in dilute solution. Its purple aqueous solution is used as an oxidizing agent. Chemical formula: HMnO 4 .


Etymology

Origin of permanganic acid

First recorded in 1830–40

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In both cases the characteristic coloration from permanganic acid is developed by the action of the current at the positive pole; this, however, disappears in the direction of the negative electrode.

From Scientific American Supplement, No. 299, September 24, 1881 by Various

It is obtained by treating a solution of permanganate of baryta with sulphuric acid, when sulphate of baryta falls, and the permanganic acid remains dissolved in the water.

From Scientific American Supplement, No. 401, September 8, 1883 by Various

Organic acids, ferrous oxide, chromic oxide, ammonium salts, etc., prevent the formation of peroxide and the red color produced by permanganic acid.

From Scientific American Supplement, No. 441, June 14, 1884. by Various

On electrolyzing a manganiferous solution of copper nitrate, red permanganic acid appeared in a stratum floating above the platinum disk coated with brown peroxide.

From Scientific American Supplement, No. 441, June 14, 1884. by Various

In very dilute strongly acid nitric solutions there is formed only permanganic acid, which according to Riche is plainly visible in solutions containing 1/1000000 grm. manganese.

From Scientific American Supplement, No. 441, June 14, 1884. by Various

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