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The Van't Hoff factor (i) for a dilute a...

The Van't Hoff factor (i) for a dilute aqueous solution of the strong elecrolyte barium hydroxide is

A

0

B

1

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
B
`Ba (OH)_(2)` dissociates of form `Ba ^(2+) and 2OH^(-)` ion
`alpha = ((i -1))/((n-1))`
` i = alpha ( n -1) +1`
`therefore n = i =3 ` (for `Ba (OH)_(2), alpha =1`)
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