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/ˈkɹəʊmeɪt/ · noun
(inorganic chemistry) 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.
Use chromate when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Chromate means (inorganic chemistry) 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.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use chromate where its definition matches the intended context.
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