Why are H⁺ ions considered equivalent to H₃O⁺ ions in the context of auto-ionization?

• A. H⁺ ions are more reactive than H₃O⁺ ions.
• B. H⁺ ions are a simplified representation of H₃O⁺ ions.
• C. H⁺ ions are larger than H₃O⁺ ions.
• D. H⁺ ions are less stable than H₃O⁺ ions.

Answer: (B)