GKFix MCQ Question

What is the degree of ionization of phenol in a 0.05 M solution if its Ka is 1.0 × 10⁻¹⁰?

• A. 0.01
• B. 1.414 × 10⁻⁴
• C. 0.002
• D. 5.0 × 10⁻⁵