permanganic acid

American  

noun

Chemistry.

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

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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

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permanganic acid Scientific  

/ pûr′măn-găn′ĭk /

1. An unstable inorganic acid existing only in dilute solution. Its purple aqueous solution is used as an oxidizing agent. Chemical formula: HMnO ₄ .

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Etymology

Origin of permanganic acid

First recorded in 1830–40

Example Sentences

See Examples For:

permanganic acid

Manganese forms two unstable acids, namely, manganic acid and permanganic acid.

From An Elementary Study of Chemistry by McPherson, William

Manganese forms no less than six different oxides—viz., protoxide, sesquioxide the red oxide, the binoxide or peroxide, manganic acid, and permanganic acid.

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

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