6:43 minutes
Problem 1
Textbook Question

Which of the following unbalanced half-reactions is correctly labeled as an oxidation or reduction? (a) NO3- (aq) -> NO(g); reduction (b) Zn(s) -> Zn2+(aq); reduction (c) ClO3-(aq) -> Cl2(g); oxidation (d) Br-(aq) -> Br2(l); reduction

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