Is bicarbonate a anion or a cation?

Question

Is bicarbonate a anion or a cation?

Answer 1

The bicarbonate ion (hydrogen carbonate) is an anion with the empirical formula HCO3− .

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Answer 2

It is always anion. exp sodium bicarbonate. NaHCO3 -----Na+   & HCO3-

Answer 3

"-ate" almost always signifies an anion.

The systematic name for the bicarbonate ion is "hydrogen carbonate". The "bi-" prefix is used for a handful of conjugate bases of diprotic acids; it signifies that the ion has one acidic proton. Hence, H2CO3 is a diprotic acid and its conjuagate base is bicarbonate, HCO3-. The conjugate base of bicarbonate is then carbonate, CO3(2-). Similarly, sulfuric acid gives the bisulfate (properly, "hydrogen sulfate") ion HSO4- and the sulfate ion SO4(2-).

Answer 4

anion