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Asertion- Reason

a) if both A and R are correct and R is the correct explanation.

b) if both A and R are correct and R is not the correct explanation.

c) if A is correct but is incorrect.

d) if A is incorrect But R is correct.

A : Molar conductivity of a weak electrolyte at infinte diluation cannot be be determined experimenttally.

R : Kohlrausch's law helps to find the molar conducting of a weak electrolyte at infinite dilution.

  • Option 1)

    a

  • Option 2)

    b

  • Option 3)

    c

  • Option 4)

    d

 

Answers (1)

As we have learnt,

 

Molar Conductivity -

\Lambda m = \frac{K}{C}

- wherein

K is expressed in Sm^{-1} and concentration in mol m^{-3} .

Unit of \Lambda m = Sm^{2} mol^{-1}

 

 Both are correct but R is not correct explanation.

 


Option 1)

a

Option 2)

b

Option 3)

c

Option 4)

d

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subam

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