Chromic Acid is a naturally occurring oxide with a formula H 2 CrO 4.. Chromic Acid is also called Tetraoxochromic acid or Chromic(VI) acid. What is Chromic acid? This short note describes a simple method for the preparation of chromic acid cleaning solution. This short note describes a simple method for the preparation of chromic acid cleaning solution. The ingredients of the most common electroplating bath include chromium trioxide and sulfuric acid. This short note describes a simple method for the preparation of chromic acid cleaning solution. The Preparation Of Chromic Acid Chromic acid (H2CrO4) is produced by two or three methods. A process for the preparation of chromic acid by the electrolysis of dichromate and/or monochromate solutions in electrolytic cells in which the anode chamber and the cathode chamber are separated by a cation exchanger membrane, the improvement wherein the chromic acid content of the solution in the anode chamber is periodically increased above that of a continuous operating state. Chromic acid plating solution is used in the electroplating of metals for making surfaces decorative and corrosion resistant. A polyatomic ion is a molecule with an electric charge. Chromate has a charge of negative two with the formula CrO 4 -2 . There are several recipes for making the plating solution. In one, 2 parts (by measure) of a cold saturated solution of bichromate of potassia are mixed with 3 parts of sulphuric acid: on cooling, the chromic acid is deposited in … The ''chromic'' in chromic acid comes from the polyatomic ion chromate.

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