Question

In a solvent 50% of an acid HA dimerizes and the rest dissociates. The van't Hoff factor of the acid is ........ x 10^–2 . (Round off to nearest integer)

Answer 1

Answer is : 125

2HA ⇌ H₂A₂HA⇌H⁺+A

= 1.25 = 125 x 10^-2