Which of the following is an acid-base reaction? A) C(s) + O₂(g) → CO₂(g) B) 2HClO₄(aq) + Ca(OH)₂(aq) → 2 H₂O(l) + Ca(ClO₄)₂(aq) C) Fe(s) + 2AgNO₃(aq) → 2Ag(s) + Fe(NO₃)₂(aq) D) MgSO₄(aq) + Ba(NO₃)₂(aq) → Mg(NO₃)₂(aq) + BaSO₄(s) E) None of the above is an acid-base reaction.

Question

Quizplus · Accepted Answer

In option B, HCl is an acid and Ca(OH)2 is a base. When they react, they form water and a salt (CaCl2). This is a classic acid-base reaction. The other options do not involve an acid reacting with a base to form a salt and water, so they are not acid-base reactions.

Which of the Following Is an Acid-Base Reaction