Cell Potential: The Driving Force Behind Redox Reactions

What does cell potential depend on in a redox reaction?

a. the stoichiometry of the oxidation half-reaction b. the stoichiometry of the reduction half-reaction c. the stoichiometry of the overall redox reaction d. none of the above

Answer:

Cell potential depends on the stoichiometry of the overall redox reaction. The correct option is c.

Cell potential, also known as electromotive force (EMF), is the driving force behind the flow of electrons in a redox reaction. It plays a crucial role in determining the feasibility and direction of electron transfer processes.

The cell potential of a redox reaction is influenced by the stoichiometry of the overall redox reaction. This means that both the oxidation and reduction half-reactions must be balanced to ensure a complete electron transfer between species.

The stoichiometry of the overall redox reaction combines both half-reactions, ensuring that the number of electrons lost in the oxidation half-reaction is equal to the number of electrons gained in the reduction half-reaction. This balance is essential for maintaining a proper electron flow within the system, which ultimately determines the cell potential.

In summary, the cell potential in a redox reaction is intricately linked to the stoichiometry of the overall redox reaction. By balancing the oxidation and reduction processes, the system can achieve an optimal electron transfer and generate the necessary energy for various chemical reactions.