In a galvanic cell, the salt bridge :

does not participate chemically in the cell reaction

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stops the diffusion of ions from one electrode to another

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is necessary for the occurrence of the cell reaction

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ensures mixing of the two electrolytic solutions

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Solution

The correct option is A does not participate chemically in the cell reaction
In a galvanic cell, the salt bridge does not participate chemically in the cell reaction. The ions of the electrolyte present in the salt bridge neither react with the ions of the electrode solutions, neither get oxidized nor get reduced at the electrodes.

The salt bridge provides electrical contact between the two solutions and thereby completes the electrical circuit.
It does not ensure the mixing of electrolytes of solution.
It maintains electrical neutrality in both the solutions by a flow of ions.

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Similar questions

Q. In a galvanic cell, the salt bridge
(i) does not participate chemically in the cell reaction
(ii) stops the diffusion of ions from one electrode to another
(iii) is necessary for the occurrence of the cell reaction
(iv) ensures mixing of the two electrolytic solutions.

Q. While writing representation of galvanic cell it is not necessary to write the formula of electrolyte used in the salt bridge.

In a galvanic cell, the positive ions of salt bridge migrate towards:

The chemical used in salt bridge in a galvanic cell is:

You have connected the two electrodes of a cell, dipped in an electrolyte, with a folded paper soaked in KCl solution (salt bridge). What happens to the reaction when this salt bridge is removed?

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