Question

How does a salt bridge improve a battery?

O A. It keeps the electrolyte solutions neutral.
O B. It makes the redox reaction spontaneous.
O C. It blocks the flow of ions between the electrolytes.
D. It causes the metals to oxidize faster.

Answer 1

A. It keeps the electrolyte solutions neutral.

Step-by-step explanation:

The electrons flow from the anode to the cathode and the problem is that the cathode may become too negative. The purpose of the salt bridge is to maintain charge balance because the electrons are moving from one-half cell to the other.