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JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2012

  • question_answer
    Phenol dimerises in benzene having vant Hoff factor 0.54. What is the degree of association?

    A)  1.92                                      

    B)  0.98

    C)  1.08                                      

    D)  0.92

    Correct Answer: D

    Solution :

                    We have \[i=1-\frac{x}{2}\] where,\[x=\]degree of association Here,       \[i=0.54\]                 \[0.54=1-\frac{x}{2}\]or\[0.54-1=-\frac{x}{2}\] Or           \[-0.46=-\frac{x}{2}\] \[x=0.92\]


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