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When mercuric iodide is added to the aqu...

When mercuric iodide is added to the aqueous solution of potassium iodide, then:

A

Freezing point is raised

B

Freezing point is lowered

C

Freezing point does not change

D

Boiling point does not change

Text Solution

Verified by Experts

The correct Answer is:
A
`HgI_(2)` although isoluble in water but shows complex formation with `KI` as:
`2KI+HgI_(2)rarrK_(2)HgI_(4)` and this number of particles decreases in solution.
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