Objectives
Chemical reactions can be used to produce electrical energy,
conversely, electrical energy can be used to carry out chemical
reactions that do not proceed spontaneously 2
Electrochemistry
Unit
Unit
Unit
Unit2Unit
Electrochemistry
Rationalised 2023-24
32
Chemistry
Cu
Eext >1 1
e
–
Current
Cathode
+ve
Anode
–ve
Zn
Fig 2