What is the value of van’t Hoff factor (i) for 60% association of CH3COOH in benzene?
The correct option is C 0.7
In benzene, two molecules of ethanoic acid associate to form a dimer.
Initial a 0At.eq a(1−α) aα2
Number of moles at eq. neq=a(1−α+α/2)
At 60 % association α=0.6
van't Hoff factor i = number of solute particles in solutiontheoritical number of solute particles