Acids are another class of substances that react with metals to produce hydrogen gas. Examples include hydrochloric acid (HCl), sulfuric acid (H2SO4), and nitric acid (HNO3).
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Acids are another class of substances that react with metals to produce hydrogen gas. Examples include hydrochloric acid (HCl), sulfuric acid (H2SO4), and nitric acid (HNO3).
Several substances, besides alcohols, can react with metals to produce hydrogen gas. Acidic solutions containing acids like hydrochloric acid (HCl) or sulfuric acid (H₂SO₄) can react with metals, releasing hydrogen. For example, zinc reacts with hydrochloric acid to produce zinc chloride and hydrogen gas:
Zn(s) + 2HCl(aq) → ZnCl₂(q) + H₂(g)
Similarly, aluminum can react with hydrochloric acid to produce aluminum chloride and hydrogen gas. The ability of metals to react with acids and generate hydrogen depends on their reactivity and position in the reactivity series.