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Why does the conductivity of a solution ...

Why does the conductivity of a solution decrease with dilution ?

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The conductivity of a solution is related with the number of ions present per unit volume of the solution. When the solution is diluted, the number of ions decreases. Hence, conductivity or specific conductance of the solutiion also decreases.
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Knowledge Check

  • Specific conductivity of a solution

    A
    increases with dilution
    B
    decreases with dilution
    C
    remains unchanged with dilution
    D
    depends on mass of electrolyte

  • (A) : The conductivity of an aqueous solution of NaCl is greater than that of pure solvent. (R) : Conductivity is independent of the number of ions in solution.

    A
    Both (A) and (R) are true and (R) is the correct explanation of (A)
    B
    Both (A) and (R) are true and (R) is not the correct explanation of (A)
    C
    (A) is true but (R) is false
    D
    (A) is false but (R) is true

  • For measuring conductivity of an electrolyte, its solution should be prepared in

    A
    Tap water
    B
    Distilled water
    C
    Conductivity water
    D
    Polywater

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