engineering chemistry MCQ #21

Which of the following is the most acidic?

engineering chemistry MCQ #21

  1. Question 1

    Q1. Which of the following is the most acidic?

    • A) Phenol
    • B) Ethanol
    • C) 2,4-Dinitrophenol
    • D) Cyclohexanol

    Answer: 2,4-Dinitrophenol

    Explanation: Electron-withdrawing groups like nitro groups increase the acidity of phenol by stabilizing the negative charge on the phenoxide ion.