Chapter 18, Problem 18.5QP

Interpretation Introduction

Interpretation: The function of salt bridge and the electrolyte used in a salt bridge should be explained.

Concept Introduction:

Salt bridge: A salt bridge is an inverted U- tube that contains an electrolyte and connects the two half-cells in a galvanic cell.

OR

A tube containing an electrolyte, providing electrical contact between two solutions.

OR

A link between electrically charged acidic and basic groups, especially on different parts of a large molecule such as a protein.

Electrolyte:

An electrolyte is a compound which forms ions when dissolved in an aqueous solution.

Electrolyte may be acid base and salts. The most common electrolyte used is calcium, chloride, magnesium, etc.