Question

Valu of n 2 but it case 2(dimerisation) why?

Answer 1

Answer:

According to Colligatiur property:-

i=1+(

n

1

−1)α

i→ Van't Hoff factor.

α→degree of dissociation/association.

n→ stochiometric co-efficient.

For Benzoic Acid, Dimerisation n=2.

i=1+(

2

1

−1)α

⇒i=1−(

2

1

)α

⇒i=1−

2

α