A lead-acid battery that is used in cars and trucks is powered by the reaction: PbO₂(s)+ Pb(s)+ 2H₂SO₄(aq)→ 2PbSO₄(s)+ H₂O(l)The substance that is reduced in this battery is:

Question

Quizplus · Accepted Answer

In a reduction-oxidation (redox) reaction, the substance that is reduced is the one that gains electrons. In this reaction, lead oxide (PbO) is reduced to lead (Pb) by gaining electrons. Therefore, the substance that is reduced in this battery is PbO₂.

A Lead-Acid Battery That Is Used in Cars and Trucks