What are the functions of a salt bridge?
Answers
Explanation:
1.it prevent mixing of two solution.
2.it maintain electrical neutrality between solution.
3.it connects two half cell reaction
Explanation:
A commonly used form of salt bridge consists of a glass U- tube containing semi- solid paste of either KCl, or in gelatin or agar-agar jelly.
The electrolytes that are often used in salt bridge are called inert electrolytes which are supposed:
not to interact chemically weather of the solutions present in a anodic or cathodic Chambers.
not to interfere with overall cell reaction.
only those electrolytes can be used in a Salt Bridge in which mobility of Ions is almost the same.
Example, KCl, , etc.
A salt bridge carries out two important functions:
It allows only flow of Ions through it. Thus, the circuit is completed.
It also maintains the electrical neutrality.