SolutionHard

Question

When mercuric iodide is added to the aqeous solution of potassium iodide :

Options

A.freezing point is raised
B.freezing point is lowered
C.freezing point does not change
D.boiling point does not change

Solution

A complex is formed and total number of lons is decreased.
Hgl2 + 2Kl → K2[Hgl4]

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