Chemistry-
General
Easy

Question

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

  1. Freezing point is raised    
  2. Freezing point is lowered    
  3. Freezing point does not change    
  4. Boiling point does not change    

The correct answer is: Freezing point is raised


    During complex formation, more number of particles join to form a larger particle which does not break. So the particle number is reduced and the freezing point is elevated
    2 K I plus H g l subscript 2 end subscript rightwards arrow K subscript 2 end subscript H g I subscript 4 end subscript

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