2. Getting the best voltage
Left hand Right hand Voltage/volts Order of reactivity
electrode electrode of right hand
electrode
Copper Magnesium +2.7
Copper zinc + 1.44
Copper tin +0.48
Copper copper 0
Copper silver -0.46
3. Getting the best voltage
Left hand Right hand Voltage/volts Order of reactivity
electrode electrode of right hand
electrode
Most reactive
Copper Magnesium +2.7
Copper zinc + 1.44
Copper tin +0.48
Copper copper 0
Least reactive
Copper silver -0.46
4. Getting the best voltage
Left hand Right hand Voltage/volts Order of reactivity
electrode electrode of right hand
electrode
Most reactive
Copper Magnesium +2.7
Copper zinc + 1.44
Copper tin +0.48
Copper copper 0
Least reactive
Copper silver -0.46
The further apart the metals are in the reactivity series the
greater the voltage.