2. Sample Papers
  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main - Mock Test - 19

  • question_answer
    The CMC of a given soap in water is \[{{10}^{-3}}\]mol litre\[^{-1}\]. A \[{{10}^{-4}}\]mol litre\[^{-1}\] solution of this soap in water is a

    A) lyophilic sol     

    B) lyophobic sol

    C) true solution    

    D) none of these.

    Correct Answer: C

    Solution :

    [c] : A solution can be colloidal only above CMC. A solution with concentration lower than CMC will be true solution.


You need to login to perform this action.
You will be redirected in 3 sec spinner