Balancing Oxidation–Reduction Reactions (Section)
Complete and balance the following half-reactions. In each case indicate whether the half-reaction is an oxidation or a reduction.
(a) Sn2+(aq)→Sn4+(aq) (acidic solution)
(b) TiO2(s)→Ti2+(aq) (acidic solution)
(c) ClO3-(aq)→Cl-(aq) (acidic solution)
(d) N2(g)→NH4+(aq) (acidic solution)
(e) OH-(aq)→O2(g) (basic solution)
(f) SO32-(aq)→SO42-(aq) (basic solution)
(g) N2(g)→NH3(g) (basic solution)
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