Chemistry, asked by hariomyadav3563, 8 months ago

Addition of HgI2 to aq. KI solution shows an increase in the vapour pressure why?

Answers

Answered by KeshavGiri

Answer:

HgI2 forms a complex with KI and therefore number of particles in the solution decreases.HgI2 + 2KI → K2[HgI4] Vapour pressure is a colligative property, decrease in number of solute particles will increase the vapour pressure. Therefore it will show increase in vapour pressure not decrease.

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