Question

What is the difference between electrochemical cell and electrolytic cell?

Answer 1

1. Differences between Galvanic Cell and Electrolytic Cell

Galvanic Cell

1. In galvanic cell, electrical energy is produced.

2. In galvanic cell, reaction taking place is spontaneous.

3. The two half cells are set up in different containers and are connected through salt

bridge or porous partition.

4. In galvanic cell, anode is negative and cathode is positive.

5. The electrons move from anode to cathode in external circuit.

Electrolytic Cell

1. In electrolytic cell, electrical energy is consumed.

2. In electrolytic cell, reaction taking place is nonspontaneous.

3. Both the electrodes are placed in the solution or molten electrolyte in the same container.

4. In electrolytic cell, the anode is positive and cathode is negative.

5. The electrons are supplied by the external source. They enter through cathode and come out through anode.

Answer 2

Answer:

Electrochemical cell is a device which converts chemical energy into electrical energy. On the other hand, electrolytic cell is a device which converts electrical energy into chemical energy. ... For example, in electrochemical cell anode is negative whereas in electrolytic cell, the anode is positive.

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