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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
    Gold sol is an electronegative sol. The amount of electrolyte required to coagulate a certain amount  of gold sol is minimum in the case of                                                 [KCET (Med.) 2001]

    A)                 \[CaC{{l}_{2}}\]

    B)                 \[NaCl\]

    C)                 \[AlC{{l}_{3}}\]

    D)                 \[N{{a}_{2}}S{{O}_{4}}\]

    Correct Answer: C

    Solution :

                    Coagulation is governed by Hardy Schulze rule.


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