Consider the following electrochemical cell, with a KCl(aq) salt bridge: Mn(s) |

Question

Consider the following electrochemical cell, with a KCl(aq) salt bridge:

Mn(s) | MnCl2(aq) || CdCl2(aq) | Cd(s).

Identify the matching pairs below. Note that for metallic susbstances, "metal" refers to chemical properties and "electrode" refers to physical properties, though they are the same substance.

1234567 electrons 1234567 Cd electrode 1234567 chloride ions 1234567 Cd2+(aq) 1234567 Mn metal 1234567 manganese ions 1234567 Mn electrode 1. reducing agent 2. oxidizing agent 3. consumed at the cathode 4. transferred from cathode to anode 5. produced at the anode 6. gains mass 7. loses mass

Explanation / Answer

electrons........ transferred from cathode to anode
   
Cd electrode.......oxidizing agent
   
chloride ions......gains mass
   
Cd2+(aq)...............loses mass
   
Mn metal............oxidizing agent
   
manganese ions.............produced at the anode
   
Mn electrode............reducing agent

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