Question

+ 3
1
4
5 | 8
3
4
es
104
2
2
O
266 ​

Answer 1

Answer:

Solution

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Verified by Toppr

Kohlraush law states that molar conductivity of an electrolyte at infinite dilution is the sum of the molar conductivities of it's ions at infinite dilution.

Thus, λ

0

=λ

+

0

+ λ

−

0

For CaCl

2

,

λ

0

=λ

Ca

+2

0

+ 2λ

Cl

−

0

=271.6Scm

2

mol

−1

For MgSO

4

λ

0

=λ

Mg

+2

0

+ λ

SO

4

−2

0

=266Scm

2

mol

−1

The correct answer is 266Scm

2

mol

−1