Question

Differentiate between electrochemical and electrolytic cells.

Answer 1

Sr. No.	Electrochemical (Galvanic) Cell	Electrolytic Cell
1.	An electrochemical cell converts chemical energy into electrical energy.	An electrolytic cell converts electrical energy into chemical energy.
2.	The reaction is spontaneous.	The reaction is non-spontaneous.
3.	An electrochemical cell does not require an external source of electrical energy.	An electrolytic cell requires an external source of electrical energy.
4.	Anode is negative and cathode is positive.	Anode is positive and cathode is negative.