GKFix MCQ Question

Which of the following is a correct order of increasing pKa values?

• A. p-Nitrophenol < o-Nitrophenol < m-Nitrophenol < Phenol
• B. Phenol < m-Nitrophenol < o-Nitrophenol < p-Nitrophenol
• C. o-Nitrophenol < p-Nitrophenol < Phenol < m-Nitrophenol
• D. m-Nitrophenol < o-Nitrophenol < p-Nitrophenol < Phenol