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how will you explain weak & strong electrolytes based on their conductivity values???

how will you explain weak & strong electrolytes based on their conductivity values???

Grade:12th pass

1 Answers

Vasantha Kumari
askIITians Faculty 38 Points
7 years ago

A strong electrolyte is completely ionized even at ordinary dilution and the number of ions that are oppositely charged are closed packed. In case we happen to dilute a strong electrolyte to a infinite value, the molar conductivity has a limiting or maximum value that will not increase further.

The graph of variation of molar conductivity with concentration is shown.

In case of a weak electrolyte their ionization is much smaller when compared to a strong electrolyte. The molar conductivity of a weak electrolyte cannot be determined at infinite dilution. Here Kohlrausch law is indirectly used to calculate molar conductivity at infinite dilution

Thanks & Regards,

Vasantha Sivaraj,

askIITians faculty

181-1106_Kohlraush.JPG

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