The half-cell comprising functions correctly as a metal-insoluble salt electrode. Which of the following mathematical equations and statements accurately characterize this specific half-cell?

Question

The half-cell comprising $Ag \| AgBr(s) \| Br^-$ functions correctly as a metal-insoluble salt electrode. Which of the following mathematical equations and statements accurately characterize this specific half-cell?

Prashant Kotian · Accepted Answer

Correct answer: A,B,C. The reduction half-reaction is . The Nernst equation is . By substituting into the standard Nernst equation and equating the two, we derive . The electrode is fundamentally reversible with respect to the anion. Adding changes , perturbing the equilibrium, altering , and thus actively changing the electrode potential.

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