Topical Questions
These questions are keyed to the major topics in the chapter. Usually a question that is answered at the back of this book is paired with a similar one that is not.
Write half-reactions for these changes:
(a) Oxidation of zinc to Zn2+ ions
(b) Reduction of H3O+ ions to hydrogen gas
(c) Reduction of Sn4+ ions to Sn2+ ions
(d) Reduction of chlorine to Cl- ions
(e) Oxidation of sulfur dioxide to sulfate ions in acidic solution
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