Haryana PMT Haryana PMT Solved Paper-2006

  • question_answer
    Which of the following represents soap?

    A)  \[{{C}_{17}}{{H}_{35}}COOK\]

    B)  \[{{C}_{17}}{{H}_{35}}COOH\]

    C)  \[{{C}_{15}}{{H}_{31}}COOH\]

    D)  \[{{({{C}_{17}}{{H}_{35}}COO)}_{2}}Ca\]

    Correct Answer: A

    Solution :

                    Soaps are the sodium or potassium salt of higher   fatty   acids   e.g., \[{{C}_{17}}{{H}_{35}}COOK\] (potassium stearate). These are obtained by alkaline hydrolysis of oils and fats. The reaction is called saponification.


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