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Which of the following electrolytes has ...

Which of the following electrolytes has the same value of van't Hoff's factor (i) as that of `Al_(2)(SO_(4))_(3)` (if all are 100% ionised) ?

A

`K_(2)SO_(4)`

B

`K_(3)[Fe(CN)_(6)]`

C

`Al(NO_(3))_(3)`

D

`K_(4)[Fe(CN)_(6)]`

Text Solution

Verified by Experts

The correct Answer is:
D
van.t Hoff factor of
`Al_(2)(SO_(4))_(3)to 2Al^(+3)+3SO_(4)^(-2)`
so n = 5
`K_(4)[Fe(CN)_(6)]to 4K^(+)+[Fe(CN)_(6)]^(-4)`
so `n=5 rArr i=n=5`
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