A2: Electrode potentials Flashcards
1
Q
Define a voltaic cell
A
A type of electrochemical cell that converts chemical energy into electrical energy
2
Q
Define a half cell
A
Contains the chemical species present in a redox half equation
3
Q
Standard electrode potential
A
The EMF of a half cell connected to a standard hydrogen half cell under standard conditions
4
Q
More reactive metal is the _ electrode
A
negative (loses electrons and is oxidised)
5
Q
Less reactive metal is the _ electrode
A
positive (gains electrons and is reduced)
6
Q
What should you use for a salt bridge
A
filter paper soaked in KNO3