Question

Stock notation for auric chloride

Answer 1

Answer:

Au(III) Cl3

Gold(III) Chloride

Answer 2

Stock notation

Explanation:

• According to the stock notation, one compound can be represented simply by putting its oxidation state in parenthesis as a roman numeral after the symbol of the metal in the molecular formula.
• Now, here for auric chloride, the first step is to determine the oxidation state of Au (element-gold) metal in the compound.

• It is three (3), thus the stock notation of auric chloride will be $Au(III)Cl_{3}$

• Moreover, $Au(III)Cl_{3}$ is a water-soluble compound and most commonly used in photography.