SolutionHard
Question
In KI solution, mercuric iodide is added. The osmotic pressure of resultant solution will
Options
A.increase
B.decrease
C.remains unchanged.
D.increase or decrease, depending on amount.
Solution
$\underset{\left( 4\text{ particles} \right)}{2KI\left( \text{aq} \right)} + \underset{\left( \text{added} \right)}{HgI_{2}} \rightarrow \underset{\left( \text{3 particles} \right)}{K_{2}HgI_{4}\left( \text{aq} \right)}$
As the number of ions in solution decreases, osmotic pressure decreases.
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