engineering chemistry MCQ #1

Which of the following is the strongest acid?

engineering chemistry MCQ #1

  1. Question 1

    Q1. Which of the following is the strongest acid?

    • A) C6H5OH
    • B) p-NO2C6H4OH
    • C) p-CH3C6H4OH
    • D) C2H5OH

    Answer: p-NO2C6H4OH

    Explanation: The nitro group is electron-withdrawing, thus increasing the acidity of phenol by stabilizing the negative charge on the oxygen atom.