NEET Sample Paper NEET Sample Test Paper-84

  • question_answer
    Which of the following is correct order of acidity?

    A) \[HCOOH>C{{H}_{3}}COOH>ClC{{H}_{2}}COOH\]\[>{{C}_{2}}{{H}_{5}}COOH\]

    B) \[ClC{{H}_{2}}COOH>HCOOH>C{{H}_{3}}COOH\]\[>{{C}_{2}}{{H}_{5}}COOH\]

    C) \[C{{H}_{3}}COOH>HCOOH>ClC{{H}_{2}}COOH\]\[>{{C}_{2}}{{H}_{5}}COOH\]

    D) \[{{C}_{2}}{{H}_{5}}COOH>C{{H}_{3}}COOH>HCOOH\]\[>ClC{{H}_{2}}COOH\]

    Correct Answer: B

    Solution :

    [b] Recall that presence of electron- withdrawing group increases, while presence of electron-releasing group decreases the acidity of carboxylic acids.            


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