JEE Main2015ChemistrySolutionsActual
Determination of the molar mass of acetic acid in benzene using freezing point depression is affected by:
Options
- AComplex formation
- BAssociation
- CPartial ionization
- DDissociation
Correct answer
B. Association
Step-by-step solution
Acetic acid in benzene undergoes dimerization 2 CH 3 COOH ⇌ CH 3 COOH 2 due to which Von't hoff factor i < 1 and i = Theoretical molar mass Experimental molar mass