1.

Assertion : Lamda_(m) for weak electrolytes shows a sharp increase when the electrolytic solution is diluted. Reason: For weak electrolytes degree of dissociation increases with dilution of solution.

Answer»

Both assertion and reason are true and the reason is the correct explanation of assertion.
Both assertion and reason are true and the reason is not the correct explanation of assertion.
Assertion is true but the reason is false.
Both assertion and reason are false.

Solution :For weak electrolyte `Lamda_(m)` INCREASES steeply on dilution DUE to increase in the NUMBER of ions (or the DEGREE of dissociation).


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