A piece of zinc placed in hydrochloric acid results in a fierce effervescence and the zinc eventually dissolves, yielding a solution of zinc chloride. A glowing splint gives a "popping" sound, indicating the presence of hydrogen gas. What type of reaction is it?

Question

Quizplus · Accepted Answer

This is a single displacement reaction where zinc (Zn) displaces hydrogen (H) from hydrochloric acid (HCl), forming zinc chloride (ZnCl2) and releasing hydrogen gas (H2).

A Piece of Zinc Placed in Hydrochloric Acid Results in a Fierce