GALVANIC CELL

WHAT DO WE CALL THE METAL COATING THE OUTSIDE LAYER OF ANOTHER METAL?

• SACRIFICIAL METAL

• ELECTROPLATED METAL

• DYING METAL

• OXIDISED METAL

WHICH WAY DO THE ELECTRON FLOW IN A GALVANIC CELL

• CATHODE TO ANODE

• POSITIVE TO NEGATIVE TERMINAL

• ANODE TO CATHODE

• NEGATIVE TO POSITIVE TERMINAL

THE IONS.....IN THE CELL

• ARE SUSPENDED IN ELECTROLYTE

• CARRY CHARGES

• ARE FREELY MOVING

• CARRY ELECTRONS

ANOTHER NAME FOR A SPONTANEOUS ELECTROCHEMICAL CELL

• SALT BRIDGE

• VOLTMETER

• ELECTROLYSIS CELL

• VOLTAIC CELL

16H+ + 5Fe + 2Mn04- ---> 5Fe2+ + 2Mn2+ + 8H2O

WHICH IS OXIDISED?

• MnO4-

• Fe

• Fe2+

• Mn2+

WHICH IS ANODE?

• COPPER ELECTRODE

• ZINC ELECTRODE

• ZINC SULFATE SOLUTION

• SALT BRIDGE

WHERE DOES DEPOSITION OCCUR? AND WHAT IS THE PROCESS?

• AT ANODE, OXIDATION

• AT CATHODE, OXIDATION

• AT ANODE, REDUCTION

• AT CATHODE, REDUCTION

WHAT DOES THE SALT BRIDGE/POROUS POT USED FOR?

• ALLOW FLOW OF CHARGE

• ALLOW MOVEMENT OF ELECTRON

• ALLOW MOVEMENT OF IONS

• TO COMPLETE THE CIRCUIT

WHERE DOES REDUCTION OCCUR AT?

• CATHODE

• ANODE

• ELECTRODE

• ELEDTROLYTE

WHAT UNIT MEASUREMENT DO WE USE TO MEASURE ELECTRICAL POTENTIAL?

• WATTS

• AMPS

• VOLTS

• OHMS