Question: 3. Balance the following redox reactions in basic solution by the half-reaction method with each half reaction balanced in base. Indicate which half reaction is

3. Balance the following redox reactions in basic solution by the half-reaction method with each half reaction balanced in base. Indicate which half reaction is for oxidation and which for reduction. a) Fe(OH)2(s) + Pb(OH)3- (aq) ??> Fe(OH)3(s) + Pb(s)

b) Cr(OH)3(s) + Br2(aq) ??> CrO4 2?(aq) + Br?(aq)

c) NO2?(aq) + Al(s) ??> NH3(g) + AlO2?(aq)

d) HXeO4 ? (aq) ??> XeO6 4? (aq) + Xe(g)

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