Asked by: Bahia Rodham
asked in category: General Last Updated: 2nd March, 2020

What does a positive electrode potential mean?

So a negative value means that the other element or compound has a greater tendency to oxidise, and a positive value means that the other element or compound has a greater tendency to be reduced. The voltmeter measures the potential difference between the charge on these electrodes.

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Subsequently, one may also ask, what does electrode potential mean?

Electrode potential is defined as the potential of a cell consisting of the electrode in question acting as a cathode and the standard hydrogen electrode acting as an anode.

Similarly, what does a positive reduction potential mean? A solution with a higher (more positive) reduction potential than the new species will have a tendency to gain electrons from the new species (i.e. to be reduced by oxidizing the new species) and a solution with a lower (more negative) reduction potential will have a tendency to lose electrons to the new species (i.e.

Similarly, you may ask, what do the positive and negative signs of reduction potentials tell us?

The +ve sign of standard reduction potential indicates that the electrode when joined with SHE acts as cathode and reduction occurs on this electrode spontaneously. Positive sign of reduction potential physically signifies non-spontaneous reduction reaction and negative sign indicates spontaneous reduction reaction.

How do you know which electrode is positive?

In a galvanic (voltaic) cell, the anode is considered negative and the cathode is considered positive. This seems reasonable as the anode is the source of electrons and cathode is where the electrons flow. However, in an electrolytic cell, the anode is taken to be positive while the cathode is now negative.

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