Question

What is the directin of flow of current in galvanic and electrlytic cell?

Answer 1

Answer:

In a galvanic cell, the anode will produce 'electron pressure': the compounds being oxidised leave there electrons there until the electron density is too high. These electrons flow through the circuit from the anode to the cathode and are consumed in reductions on the other end.

The direction of conventional current(the flow of positive charges) in a circuit is opposite to the direction of electron flow, so (negatively charged) electrons flow out the anode into the outside circuit. In a galvanic cell, the anode is the electrode at which the oxidation reaction occurs.

Answer 2

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Internally the direction of flow of current is from anode to cathode, and hence the electron flow is from cathode to anode. So, it is clear from the facts mentioned above about the electrolytic cell that the reduction occurs at the cathode and oxidation occurs at the anode.