Calculate E^°_cell and Indicate Whether the Overall Reaction Shown Is

question 16

Multiple Choice

Calculate E^°_cell and indicate whether the overall reaction shown is spontaneous or nonspontaneous.

reaction: 2Cr(s) + 3I₂(s)  2Cr³⁺(aq) + (aq) + 6I^-(aq)

• A) E°_cell = -1.27 V, spontaneous
• B) E°_cell = -1.27 V, nonspontaneous
• C) E°_cell = 1.27 V, spontaneous
• D) E°_cell = 1.27 V, nonspontaneous
• E) E°_cell = 1.54 V, spontaneous

---

Definitions:

Oxygen

A chemical element with symbol O and atomic number 8, essential for respiration of living organisms and combustion processes.

Compound

A compound is a substance made up of two or more different elements chemically bonded together in a fixed ratio.

Ag+

A silver ion, typically carrying a single positive charge, often used in silver compounds or in photography.

Chlorine

A highly reactive halogen element used in water purification, disinfectants, and in the production of chlorinated compounds.