K(2)HgI(4) is 40% ionised in aqueous so...

`K_(2)HgI_(4)` is 40% ionised in aqueous solution. The value of its van't Hoff factor (i) is :

A

1.6

B

1.8

C

2

D

2.2

Verified by Experts

`K_(2)HgI_(4)to2K^(+)+(HgI_(4))^(2-)`
`i=1+nalpha-alpha" "alpha=` degree of dissolution
`=1+3xx0.4-0.4=1.8`

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