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Question
If a salt bridge is not used between two half cells, what happens to the voltage?
If a salt bridge is not used between two half cells, what happens to the voltage?
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Solution
The correct option is B Drops to zero
The purpose of a salt bridge is not to move electrons from the electrolyte, rather maintain charge balance because the electrons are moving from one-half cell to the other. The electrons flow from the anode to the cathode thus if a salt bridge is removed between the half cells, the voltage becomes zero.
Hence, option A is correct.
The purpose of a salt bridge is not to move electrons from the electrolyte, rather maintain charge balance because the electrons are moving from one-half cell to the other. The electrons flow from the anode to the cathode thus if a salt bridge is removed between the half cells, the voltage becomes zero.
Hence, option A is correct.
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