What is the primary purpose of a salt bridge in an electrochemical cell?

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Question: What is the primary purpose of a salt bridge in an electrochemical cell?

Options:

Correct Answer: Maintain charge balance

Solution:

A salt bridge maintains charge balance by allowing ions to flow between the two half-cells, preventing charge buildup.

What is the primary purpose of a salt bridge in an electrochemical cell?

What is the primary purpose of a salt bridge in an electrochemical cell?

Step 1: Understand that an electrochemical cell has two parts called half-cells.
Step 2: Know that each half-cell has a different charge due to chemical reactions.
Step 3: Realize that if one half-cell becomes too positive or too negative, it can stop the reaction.
Step 4: Learn that a salt bridge is a tube filled with a salt solution that connects the two half-cells.
Step 5: Understand that the salt bridge allows ions to move between the half-cells.
Step 6: Recognize that this movement of ions helps balance the charges in both half-cells.
Step 7: Conclude that the primary purpose of the salt bridge is to maintain charge balance and keep the reaction going.

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