JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2013

  • question_answer
    An increase in equivalent conductance of a strong electrolyte with dilution is mainly due to

    A)  increase in number of ions

    B)  increase in ionic mobility of ions

    C)  100% ionisation of electrolyte at normal dilution

    D)  increase in both i.e., number of ions and ionic mobility of ions

    Correct Answer: B

    Solution :

                    A strong electrolyte is completely jonised at all concentrations. Hence, number of ions remains same. However, on dilution, interionic forces decrease and hence ionic mobility increases. Therefore, equivalent conductance increases.


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