What does cupric mean?
The term cupric refers to compounds or ions containing copper in its +2 oxidation state, denoted as Cu2+. This is one of the most common and stable oxidation states of copper. Cupric compounds have a range of applications, including as pigments, catalysts, and reagents in chemical synthesis. For example, cupric oxide (CuO) is used as a pigment in ceramics and as a precursor to other copper compounds. The cupric ion itself has a distinctive blue color in aqueous solution, which is a result of the way it absorbs light. Understanding cupric compounds is important in fields such as chemistry, materials science, and engineering.
adjectiveOf or pertaining to copper, especially in its +2 oxidation state.
- Relating to or containing copper in its +2 oxidation state
"The cupric ion is a common reagent in chemistry experiments."
"The cupric ion has a distinctive blue color in aqueous solution."
"Cupric oxide is used as a pigment in ceramics."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of cupric
The word cupric is derived from cuprum, the Latin name for Cyprus, where copper was mined. The term has been used in English since the 19th century to describe compounds of copper, particularly those in the +2 oxidation state. The related term cuprous refers to copper(I) compounds.
Usage notes
Often used in chemistry and materials science to describe compounds containing copper(II).