1) What reaction happens at the anode during electrolysis? a) Deposition b) Oxidation c) Condensation d) Melting 2) Which electrode is negative in electrolysis? a) Cathode b) Anode c) Both d) None 3) Determine the oxidation number of CH3Cl a) -2 b) -1 c) +2 d) +3 4) Determine the oxidation number of H2O2 a) -1 b) 0 c) -3 d) +2 5) Identify the reducing agent in the reaction Sn2+ + 2Fe3+ -> Cu2+ + 2Fe2+  a) Sn2+ -> Sn4+ + 2e b) Fe3+ + e -> Fe2+ 6) Balance the following chemical equation: C + H2SO4 -> CO2 + SO2 a) C + 2H2SO4 -> CO2 + 2SO2 + H2O b) C + 2H2SO4 -> CO2 + 2SO2 + H2 c) C + 2H2SO -> 3O2 + 2SO2 + H2O d) C + 2H2SO4 -> 3CO2 + 2SO2 + H2O 7) Oxidation number for SnCl4 a) +4 b) +3 c) +2 d) 0

basic electrochemistry cell

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