A balanced chemical equation must be provided depicting the dissolution of galena in hydrochloric acid Concept Introduction: Chemical reactions in which both reduction and oxidation reactions take place are called redox reactions. These involve changes in the oxidation state of the reactants. Reduction reactions proceed via gain of electrons and a decrease in the oxidation number. In contrast, oxidation reactions proceed via loss of electrons and an increase in the oxidation number. An oxidizing agent is an electron acceptor, i.e. it gains electrons and undergoes reduction. A reducing agent is an electron donor, i.e. it loses electrons and gets oxidized.

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Chapter 12, Problem 24P

Interpretation Introduction

Interpretation:

A balanced chemical equation must be provided depicting the dissolution of galena in hydrochloric acid

Concept Introduction:

Chemical reactions in which both reduction and oxidation reactions take place are called redox reactions. These involve changes in the oxidation state of the reactants.

Reduction reactions proceed via gain of electrons and a decrease in the oxidation number. In contrast, oxidation reactions proceed via loss of electrons and an increase in the oxidation number.

An oxidizing agent is an electron acceptor, i.e. it gains electrons and undergoes reduction. A reducing agent is an electron donor, i.e. it loses electrons and gets oxidized.

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