Question

name the compound hc₂h₃o₂(aq).
hydroacetous acid
acetic acid
hydroacetic acid
acetous acid
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oxyacids do not include the prefix hydro - in their names.

Explanation:

$HC_2H_3O_2(aq)$ is an oxy - acid. Oxy - acids do not have the prefix "hydro -" in their names. The correct name for $HC_2H_3O_2(aq)$ is acetic acid. It is a common organic acid also known as ethanoic acid in the IUPAC system.

Answer:

B. acetic acid