Solutions

Question 1

Examples of solutions that show positive deviation from Raoult’s law

Answer 1

• ethanol and acetone
• carbon disulphide and acetone

Question 2

Examples of solutions that show negative deviation from Raoult’s law

Answer 2

• phenol and aniline
• chloroform and acetone

Question 3

Examples of minimum boiling azeotropes

Answer 3

Ethanol-water mixture at 95% by volume of ethanol obtained by fractional distillation

Question 4

Examples of maximum boiling azeotropes

Answer 4

Mixture of 68% nitric acid and 32% water by mass, with a boiling point of 393.5 K