JEE Main & Advanced Chemistry Carboxylic Acids Question Bank Properties of Carboxylic Acids and Their Derivatives

  • question_answer
    Which of the following orders of relative  strengths of acids is correct                                     [CPMT 2000]

    A)                 \[FC{{H}_{2}}COOH\,>\,ClC{{H}_{2}}COOH>BrC{{H}_{2}}COOH\]

    B)                 \[ClC{{H}_{2}}COOH>\,BrC{{H}_{2}}COOH>FC{{H}_{2}}COOH\]

    C)                 \[BrC{{H}_{2}}COOH>ClC{{H}_{2}}COOH>FC{{H}_{2}}COOH\]

    D)                 \[ClC{{H}_{2}}COOH>FC{{H}_{2}}COOH>BrC{{H}_{2}}COOH\]

    Correct Answer: A

    Solution :

               Acidity decreases with the decrease in electronegativity of halogen i.e.,                 \[FC{{H}_{2}}COOH>ClC{{H}_{2}}COOH>BrC{{H}_{2}}COOH\]


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