chromate

/ˈkɹəʊmeɪt/

chromate

English Noun

Definition

any salt of chromic acid; in solution the yellow chromate anion (CrO₄²⁻) is in equilibrium with the orange dichromate anion (Cr₂O₇²⁻), the relative amount of each ion depending on the pH; they are both very powerful oxidizing agents

Etymology

From chromic acid + -ate.