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Kohlrausch's law states that at:

  1. A
    Infinite dilution, each ion makes a definite contribution to the equivalent conductance of an electrolyte, whatever be the nature of the other ion of the electrolyte.
  2. B
    Finite dilution, each ion makes a definite contribution to the equivalent conductance of an electrolyte, whatever be the nature of the other ion of the electrolyte.
  3. C
    Infinite dilution, each ion makes a definite contribution to the equivalent conductance of an electrolyte depending on the nature of the other ion of the electrolyte.
  4. D
    Infinite dilution, each ion makes a definite contribution to the conductance of an electrolyte whatever be the nature of the other ion of the electrolyte.

Solution & Step-by-step Explanation

Kohlrausch's Law of Independent Migration of Ions:It states that at infinite dilution, when dissociation is complete, each ion makes a definite contribution towards the molar (or equivalent) conductivity of the electrolyte irrespective of the nature of the other ion with which it is associated.The total molar conductivity of the electrolyte is the sum of the individual contributions of its constituent ions:

where and are the limiting molar conductivities of the cation and anion respectively.

Practice this question

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Kohlrausch's law states that at:
A
Infinite dilution, each ion makes a definite contribution to the equivalent conductance of an electrolyte, whatever be the nature of the other ion of the electrolyte.
B
Finite dilution, each ion makes a definite contribution to the equivalent conductance of an electrolyte, whatever be the nature of the other ion of the electrolyte.
C
Infinite dilution, each ion makes a definite contribution to the equivalent conductance of an electrolyte depending on the nature of the other ion of the electrolyte.
D
Infinite dilution, each ion makes a definite contribution to the conductance of an electrolyte whatever be the nature of the other ion of the electrolyte.

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