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The equivalent conductance of NaCl at concentration C and at infinite dilution are  \lambda _{C}  and \lambda _{\infty } , respectively.  The correct relationship between \lambda _{C} and \lambda _{\infty }  is given as :

(Where the constant B is positive)

Option: 1

\lambda _{C}=\lambda _{\infty }+(B)C\;


Option: 2

\lambda _{C}=\lambda _{\infty }-(B)C\;


Option: 3

\lambda _{C}=\lambda _{\infty }-(B)\sqrt{C}


Option: 4

\lambda _{C}=\lambda _{\infty }+(B)\sqrt{C}


Answers (1)

best_answer

According to the Debye Huckel equation:

We have \lambda _{c}=\lambda \infty -B\sqrt{c}

Where \lambda _{c} = Equivalent conductance at  C concentration.

\lambda _\infty = Equivalent conductance at the infinite concentration.

Therefore, the correct option is (3).

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chirag

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