Chrome alum facts for kids
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Chrome alum, also known as chromium potassium sulfate, is a chemical compound. Its chemical formula is KCr(SO4)2. It contains chromium, potassium, and sulfate ions. The chromium is in its +3 oxidation state.
Contents
Properties
It is a dark purple solid. It is normally attached to extra water molecules. It dissolves in water.
Preparation
It is made by reducing potassium dichromate with sulfur dioxide.
Uses
It was used in making leather; now chromium(III) sulfate is used instead.
Related pages
See also
In Spanish: Alumbre de cromo para niños
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Chrome alum Facts for Kids. Kiddle Encyclopedia.