The problem asks to identify the ion C 2 H 3 O 2 − .
By recognizing the chemical formula, the ion is identified as acetate.
Therefore, the name of the ion is acetate.
The final answer is a ce t a t e .
Explanation
Identifying the Problem The problem asks us to identify the name of the ion C 2 H 3 O 2 − from the given options: acetate, cyanide, hydronium, and bicarbonate.
Recognizing the Ion By recognizing the chemical formula, we can directly identify the ion. The formula C 2 H 3 O 2 − corresponds to the acetate ion.
Final Answer Therefore, the name of the ion C 2 H 3 O 2 − is acetate.
Examples
In chemistry, recognizing ions is crucial for understanding chemical reactions. For example, acetate ions are commonly found in vinegar (acetic acid) and play a role in various biological processes. Identifying ions correctly helps in predicting how substances will interact and is fundamental in fields like medicine, environmental science, and materials science.