Question

what are the functions of salt bridge​

Answer 1

Answer:

A salt bridge, in electrochemistry, is a laboratory device used to connect the oxidation and reduction half-cells of a galvanic cell (voltaic cell), a type of electrochemical cell. It maintains electrical neutrality within the internal circuit, preventing the cell from rapidly running its reaction to equilibrium.

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Answer 2

Function of Salt Bridge are :-

• It maintains the electrical neutrality of half cells.
• It completes the circuit by allowing flow of electron.
• It minimizes the liquid - liquid junction potential.

Extra Information :

Conditions for Electrolytes in cells are -

1. INERT ELECTROLYTE : So that it do not react with any of ions / rods of half cell.
2. GOOD IONIC MOBILITY AND EQUAL MOBILITY OF CATION AND ANION : So that both half cells are neutralised simultaneously.