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Statement-I: Molar conductivity of a wea...

Statement-I: Molar conductivity of a weak electrolyte at infinite dilution cannot be determined experimenttally.
Because Statement-II: Kohlrausch law help to find the moar conductivity of a weak electrolyte at infinite dilution.

A

If both assertion and reason are correct and reason is correct explanation for assertion.

B

If both assertion and reason are correct but reason is not correct explanation for assertion.

C

If assertion is correct but reason is incorrect.

D

If assertion and reason both are incorrect.

Text Solution

Verified by Experts

The correct Answer is:
B
(b) Correct explanation : It a graph is plotted between `Lambda_(m)` and `sqrt(C )` for weak elelctrolyte, `Lambda_(m)^(oo)` cannot be obtained upon extrapolation.
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Statement-1: Molar conductivity of a weak electrolyte at inifinite dilution cannot be dtermined experimentally. Statement-2: Kohlrausch law helps to find the molar conductivity of a weak electrolyte at infinite dilution.

The questions consist of two atatements each, printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses : Molar conductiveiy of a weak electrolyte at infinite dilution cannot be determined experimentally . Kohlrausch's low help to find the molar conductiveiy of a weak electrolyte at infinite dilution.

State the law that helps to determine limiting molar conductivity of a weak electrolyte.

How does the molar conductance of an electrolyte vary with dilution ?

The increases in equivalent conductivity of a weak electrolyte with dilution is due to :

What is effect of increasing concentration on the molar conductivity of a weak electrolyte ?