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NEET AIPMT SOLVED PAPER 2000

  • question_answer
                    The equivalent conductances of \[B{{a}^{2+}}\]  and \[C{{l}^{-}}\]  are 127 and 76 \[oh{{m}^{-1}}\,\,c{{m}^{-1}}\,e{{q}^{-1}}\] respectively at infinite dilution. The equivalent conductance of \[BaC{{l}_{2}}\] at infinite dilution will be:                

    A)                 139.5     

    B)                 203                        

    C)                 279         

    D)                 101.5

    Correct Answer: A

    Solution :

                      The equivalent conductance of \[BaC{{l}_{2}}\] at infinite dilution                 \[{{\lambda }_{\infty }}\,of\,BaC{{l}_{2}}=\frac{1}{2}{{\lambda }_{\infty }}\,of\,B{{a}^{2+}}+{{\lambda }_{\infty }}\,of\,C{{l}^{-}}\]                 \[=\frac{127}{2}+76=139.5\]


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