Question

On the basis of information given below mark the correct option.
Information : On adding acetone to methanol some of the hydrogen bonds
between methanol molecules break.
(i) At specific composition methanol-acetone mixture will form minimum
boiling azeotrope and will show positive deviation from Raoult’s law.
(ii) At specific composition methanol-acetone mixture forms maximum
boiling azeotrope and will show positive deviation from Raoult’s law.
(iii) At specific composition methanol-acetone mixture will form minimum
boiling azeotrope and will show negative deviation from Raoult’s law.
(iv) At specific composition methanol-acetone mixture will form maximum
boiling azeotrope and will show negative deviation from Raoult’s law.


NCERT Class XII
Chemistry - Exemplar Problems

Chapter 2. Solutions

Answer 1

On the basis of information given below mark the correct option.
Information : On adding acetone to methanol some of the hydrogen bonds
between methanol molecules break.
(i) At specific composition methanol-acetone mixture will form minimum
boiling azeotrope and will show positive deviation from Raoult’s law.
(ii) At specific composition methanol-acetone mixture forms maximum
boiling azeotrope and will show positive deviation from Raoult’s law.
(iii) At specific composition methanol-acetone mixture will form minimum
boiling azeotrope and will show negative deviation from Raoult’s law.
(iv) At specific composition methanol-acetone mixture will form maximum
boiling azeotrope and will show negative deviation from Raoult’s law.


answer= (ii) At specific composition methanol-acetone mixture forms maximum boiling azeotrope and will show positive deviation from Raoult’s law.

Answer 2

answer  : (ii).............................