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The van't Hoff factor for a very dilute ...

The van't Hoff factor for a very dilute solution of `Fe_(2)(SO_(4))_(3)` is

A

9

B

5

C

24

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
`Fe_(2)(SO_(4))_(3)` is very dilute solution ionises as `Fe_(2)(SO_(4))_(3) hArr 2Fe^(3+) +3SO_(4)^(2-)`
`:.` one formula unti of ferric sulphate gives 5 ions in solution. Hence, `i = 5`
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