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JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Colloids Emulsion, Gel and Their properties with application

  • question_answer
    If gold number of A,B,C and D are 0.005, 0.05, 0.5 and 5 respectively, then which of the following will have the highest protective power             [Pb. CET 2001; CPMT 2000]

    A)                 A            

    B)                 B

    C)                 C

    D)                 D

    Correct Answer: A

    Solution :

               Protective power\[\propto \frac{1}{\text{Gold}\ \text{number}}\]                                 Gold number of A is least, therefore, it has the highest protective power.


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