chromic acid

American  

noun

1. a hypothetical acid, H 2 CrO 4 , known only in solution or in the form of its salts.

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chromic acid British  

noun

1. an unstable dibasic oxidizing acid known only in solution and in the form of chromate salts. Formula: H 2 CrO 4

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Etymology

Origin of chromic acid

First recorded in 1790–1800

Example Sentences

From an ergosterol derivative, which they acetylated, oxidized with chromic acid, hydrolized and distilled, they built up the white crystals of theelin.

From Time Magazine Archive

On oxidation with potassium permanganate it gives homovanillin, vanillin, &c.; with chromic acid in acetic acid solution it is converted into carbon dioxide and acetic acid, whilst nitric acid oxidizes it to oxalic acid.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 8 "Ethiopia" to "Evangelical Association" by Various

From this we learn that before the potassium bichromate enters into action in the battery, it is resolved into chromic acid.

From Electric Bells and All About Them A Practical Book for Practical Men by Bottone, S. R.

During this operation the wool at first attracts chromic acid, which is gradually reduced to chromium chromate, so that the mordanted fibre has finally a pale olive-yellow tint.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various

Chrōm′ate, a salt of chromic acid; Chrōmat′ics, the science of colours.—v.t.

From Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) by Various