1.

The ionic conductances of Al^(3+) and SO_(4)^(2-) at infinite dilution are x and y ohm^(-1) cm^(2) respectively. If Kohlrausch law is validthen molar conductance of aluminium sulphate infinite dilution will be

Answer»

`3 x+ 2y`
`2x+3y`
`2x +2y`
`3x +3y`

Solution :`Al_(2)(SO_4)_3 HARR 2AL^(3+)+3SO_(4)^(2-)`
`Lambda_(m)^(@) Al_(2)(SO_4)_3 = 2 Lambda^(@)_(AL^(3+)) + 3Lambda_(SO_(4)^(2-))^(@)`
`Lambda_(m)^(@) Al_(2)(SO_4)_3 = 2x+ 3y`


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