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JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Critical Thinking Surface Chemistry

  • question_answer
    Which of the following forms cationic miscelles above certain concentration                                        [CBSE PMT 2004]

    A)            Urea                                        

    B)            Cetyltrimethylammonium bromide

    C)            Sodium dodecyl sulphate

    D)            Sodium acetate

    Correct Answer: D

    Solution :

               Sodium acetate forms cationic micelles in the molecule of soap and detergent the negative ions aggregate to form a micelle of colloidal size. The negative ion has a long hydrocarbon chain and a polar group \[(-CO{{O}^{-}})\]at one end.   


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