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JEE Main & Advanced Sample Paper JEE Main Sample Paper-32

  • question_answer
    The substance, P, Q and R have coagulation values 3, 0.6, 0.08 for a metal sol respectively. Their flocculating powers are in the ratio:            

    A) \[0.0267:5:1\]

    B)    \[1:5;\text{ }37.5\]

    C) \[0.08:0.6:3\]                    

    D) \[1:0.2:0.0267\]

    Correct Answer: B

    Solution :

    Flocculation power \[\propto \,\frac{1}{Coagulation\,value}\]                                 P             :               Q             :               R                                 \[\frac{1}{3}\]    :               \[\frac{1}{0.6}\]                :               \[\frac{1}{0.08}\]                 Or           1              :               5              :               37.5


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