Galvanic (Voltaic) and Electrolytic Cells

AP Chemistry· difficulty 2/5

What is the role of the salt bridge in a galvanic cell?

A
$Maintain electrical neutrality by ion flow between half-cells$
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B
$Provide chemical energy to the cell$
C
$Catalyze the redox reaction$
D
$Allow electrons to flow between half-cells$

Explanation

The salt bridge supplies spectator ions (cations to the cathode side, anions to the anode side) to balance charge so the cell can keep operating.

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