Answers Assignment 2 - Solution | Class 12th

Assignment - 2

Chapter - Solution     Answers

Ans 11. 

   

Ans 12. 

Ans 13. 

Ans 14. 

When glucose is added to water, surface has both glucose and water molecules, therefore, escaping tendency of water changing into vapours becomes less and vapour pressure of solution becomes less.

Ans 15. 

Ans 16.

K₄ [Fe(CN)₆] ® 4K⁺ + [Fe(CN)₆]^4- ; van't Hoff factor (i) = 5.

Ans 17. 

Anti-freeze is substance which is added to solvent to lower its freezing point. It is used in car radiators to lower the freezing point of water, e.g., ethylene glycol.

Ans 18.