- Tardigrade
- Question
- Chemistry
- Molecules of benzoic acid ( C 6 H 5 COOH ) dimerise in benzene. ' 'w'g of the acid dissolved in 30 g of benzene shows a depression in freezing point equal to 2 K. If the percentage association of the acid to form dimer in the solution is 80 , then w is: (Given that Kf=5 K kg mol -1, Molar mass of benzoic acid =122 g mol -1 )
Q.
Molecules of benzoic acid dimerise in benzene. ' of the acid dissolved in of benzene shows a depression in freezing point equal to . If the percentage association of the acid to form dimer in the solution is , then is :
(Given that , Molar mass of benzoic acid )
Solution: