What is the main function of a salt bridge in a galvanic cell?

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Question: What is the main function of a salt bridge in a galvanic cell?

Options:

Correct Answer: To maintain charge balance

Solution:

The main function of a salt bridge is to maintain charge balance by allowing ions to flow.

What is the main function of a salt bridge in a galvanic cell?

What is the main function of a salt bridge in a galvanic cell?

Step 1: Understand that a galvanic cell is a device that generates electricity through a chemical reaction.
Step 2: Recognize that in a galvanic cell, there are two parts called half-cells, one for oxidation and one for reduction.
Step 3: Know that during the chemical reaction, electrons flow from one half-cell to the other, creating a charge imbalance.
Step 4: Learn that a salt bridge is a tube filled with a salt solution that connects the two half-cells.
Step 5: Realize that the salt bridge allows ions to move between the half-cells to balance the charge.
Step 6: Conclude that the main function of the salt bridge is to maintain charge balance by allowing ions to flow.

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