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Assertion: If λNa++λCl  are molar limiting conductivity of the sodium and chloride ions respectively, then the limiting molar conducting for sodium chloride is given by the equation: λNaCl=λNa++λCl
Reason:This is according to Kohlrausch law of independent migration of ions.
Options:
A .  If both assertion and reason are true and the reason is the correct explanation of the assertion.
B .  If both assertion and reason are true but reason is not the correct explanation of the assertion.
C .  If assertion is true but reason is false.
D .  If the assertion and reason both are false.
Answer: Option A
:
A
According to Kohlrausch law, “Limiting molar conductivity of an electrolyte can be represented as the sum of the individual contributions of the anion and cation of the electrolyte”.

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