NEET Sample Paper NEET Sample Test Paper-76

  • question_answer
    Which of the following forms cationic micelles above certain concentration?

    A)  Urea                                        

    B)  Sodium dodecyl sulphate

    C)  Sodium acetate

    D)  Cetyltrimethylammonium bromide

    Correct Answer: D

    Solution :

    \[R{{(N{{H}_{3}})}_{3}}Br\,\,\xrightarrow{{}}\,\,R(N{{H}_{3}})_{3}^{+}\,\,+\,\,B{{r}^{-}}\] Alkyl trimethyl ammonium ions aggregates to form cationic micelles.


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