Which of the following statements best describes the difference between standard and non-standard cell potential?

• A. Standard cell potential is measured at 1 M concentration, 25°C, and 1 atm, while non-standard cell potential is measured under different conditions.
• B. Standard cell potential is always higher than non-standard cell potential.
• C. Standard cell potential is used only for acidic solutions.
• D. Non-standard cell potential is only applicable to gaseous reactions.

Answer: (A)