JEE Main & Advanced Chemistry Chemistry in Everyday Life / दैनिक जीवन में रसायन Question Bank Critical Thinking Chemistry in Everyday Life

  • question_answer
    Which of the following represents soap                [DCE 2004]

    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., \[{{C}_{17}}{{H}_{37}}COOK\] (Potassium stearate). These are obtained by alkaline hydrolysis of oils and fats. The reaction is called saponification.


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