Q32 1 Write the Net Reaction or None for the following A copper strip is placed in silver acetate solution Cu2 Ag1 aq 2e aq e Cu s 0 34 V Ag s 0 80 V https www youtube com watch v zUFJHfTgbLQ aq Cu s Ag s Cu2 aq 2Ag s Cu s 2Ag1 aq Cu2 aq Cu s 2Ag s Cu2 aq aq 2Ag s Cu s aq aq A Ag1 B Cu2 C 2Ag1 D 2Ag1 E None 1 Q32 2 Write the Net Reaction or None for the following Aluminium foil is added to a solution of CuCl2 aq 3e Al3 2H2O l 2e Cu2 aq 2e Cl2 g 2e Al s H2 g 2OH Cu s 2Cl aq 1 66 V aq 0 41 V 0 34 V 1 36 V https www youtube com watch v lcCCV2eo n4 aq 3Cu2 aq 2Al3 aq 2Al s 3Cu s 2Al3 aq 3Al3 A Cl2 g Cu s 2Cl B 3Cl2 g 2Al s 6Cl C 3Cu2 D 2Cu2 E None aq aq 2Cu s 2Al s aq aq 2 Q32 3 Write the Net Reaction or None for the following A lead bar is placed in bromINE and water 2H2O l 2e Pb2 aq 2e O2 g 4H 4e Br2 l 2e H2 g 2OH Pb s 2H2O l 2Br aq aq 0 41 V 0 13 V 0 82 V 1 09 V aq 2Br1 aq PbBr2 s aq Pb s Br2 l Pb2 aq Pb2 aq aq Br2 l Pb s A Pb2 B 2Br1 C Br2 l Pb s 2Br1 aq Pb2 D 2Br1 E None aq 3 Q32 4 Write the Net Reaction or None for the following Metallic copper is placed in a solution of KI Cu2 K aq e aq 2e I2 s 2e K s Cu s 2I aq 2 92 V 0 34 V 0 54 V aq 2K s I2 s 2K1 aq Cu s Cu2 aq aq I2 s A 2I1 B 2I1 C I2 s 2K s 2I1 D 2K1 E None aq Cu s Cu2 aq 2K1 aq aq 2K s 4 Q32 5 Write the Net Reaction or None for the following Chlorine gas is bubbled into a solution containing Fe2 ions Fe2 aq 2e aq e Fe3 Cl2 g 2e Fe s Fe2 2Cl aq aq 0 44 V 0 77 V 1 36 V aq 2Fe3 aq aq 2Cl1 A Cl2 g 2Fe2 B Cl2 g Fe s 2Cl1 C 2Cl1 D 2Cl1 E None aq Fe2 aq Fe s Cl2 g Fe2 aq Fe2 aq aq Cl2 g Fe s aq 5 Q32 6 Write the Net Reaction or None for the following FeSO4 is added to an acidic solution of K2Cr2O7 K Fe2 2H Fe3 aq 14H aq e aq 2e aq 2e aq e aq 6e Cr2O7 2 K s Fe s H2 g Fe2 2Cr3 2 92 V 0 44 V 0 00 V 0 77 V aq aq 7 H2O l 1 36 V https www youtube com watch v 6niqK3UcHXM A Cr2O7 B Fe2 C Cr2O7 2 aq 14H aq 6Fe2 aq 2Cr3 aq 2K s Fe s 2K 2 aq 2Cr3 aq 3Fe s 14H aq D None aq 6Fe3 aq 7H2O l aq 3Fe2 aq 7H2O l 6 Q32 7 Which redox reaction below is found in a button battery A 2MnO2 Zn H2O Mn2O3 Zn OH 2 B Ag2O Zn H2O 2Ag Zn OH 2 C PbO2 Pb 4H1 2SO4 2 2PbSO4 2H2O D 4Fe 3O2 2Fe2O3 7 Q32 8 Pick the metals that Sn could be galvanized with A Cu Pb B Mg Al C Cu Mg D Al Pb 8 Q32 9 Which type of cell is appropriate for the redox reaction below 2Na1 2Cl1 2Na Cl2 A galvanic B electrolytic 9 Q32 10 Which type of cell is appropriate for the redox reaction below Sn2 2Na Sn 2Na1 A galvanic B electrolytic 10 KEY 8 B 9 B 10 A 1 D 2 C 3 C 4 E 5 A 6 A 7 B 11