Question

what is the name of the polyatomic ion?
c₂h₃o₂⁻¹
carbon hydrogen oxide
carbonate
acetate
carboxyate

Explanation:

• Carbon hydrogen oxide is not a standard name for \(C_{2}H_{3}O_{2}^{-}\).
• Carbonate has the formula \(CO_{3}^{2 -}\).
• Acetate has the formula \(C_{2}H_{3}O_{2}^{-}\).
• Carboxyate is not a correct name for this ion.

Answer:

acetate