Final answer:
The reaction 2HF(aq) + Zn(s) → ZnF₂(s) + H₂(g) is a single displacement reaction where zinc replaces hydrogen in hydrofluoric acid.
Step-by-step explanation:
The chemical reaction 2HF(aq) + Zn(s) → ZnF₂(s) + H₂(g) would be best classified as a single displacement reaction. In this reaction, zinc (Zn) displaces hydrogen (H) from hydrofluoric acid (HF) to form zinc fluoride (ZnF₂) and hydrogen gas (H₂).
Examples of single displacement reactions involve a metal replacing the hydrogen in an acid, as seen in the reaction Zn(s) + 2HCl(aq) → ZnCl₂(aq) + H₂(g). This reaction is similar to the given equation, reaffirming that zinc is capable of displacing hydrogen, making it a single displacement reaction.