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

Therefore potassa or chromic acid cannot be utilized, because of the impossibility of limiting their effect.

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various

Note.—After once being placed in the chromic acid, the cover-slips must on no account be touched by the fingers.

From The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by Eyre, J. W. H. (John William Henry)

Fuller Bichromate Cell.—In the bichromate cells or the chromic acid cells, bichromate of soda, or bichromate of potassium, is used for the depolarizer, water and sulphuric acid being added for attacking the zinc.

From Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications by Hawkins, Nehemiah

The action of the hydrogen upon the chromic acid is shown in the following equation:— 2H2CrO4 + 3H2 = 5H2O + Cr2O3 ┗━━━┛   ┗━┛   ┗━━┛   ┗━━┛ 2 molecules of chromic acid.

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