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Addition of Hgl(2) to the aqueous soluti...

Addition of `Hgl_(2)` to the aqueous solution of `Kl` shows an icrease in the osmotic pressure, why?

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`Hgl_(2)` forms a complex with `(Kl)`, and therefore , the number of particles in solution increases.
`HgI_(2)+2KI rarr K_(2)[HgI_(4)]hArr 2K^(o+)+[HgI_(4)]^(2-)`
Therefore, the osmotic pressure increases.
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