If in a solvent, n simple molecules of solute combine to form an associated molecule, α is the degree of association, the van't Hoff's factor is equal to

Question

If in a solvent, n simple molecules of solute combine to form an associated molecule, α is the degree of association, the van't Hoff's factor is equal to (A) (1/1-n α) (B) 1-α+n α (C) 1-α+(α/n) (D) (α/n)-1+α

Tardigrade Admin · Accepted Answer

underset(1-α)n A leftharpoons underset(α/n)An i=1-α+(α/n)

Q. If in a solvent, $n$ simple molecules of solute combine to form an associated molecule, $α$ is the degree of association, the van't Hoff's factor is equal to

$\frac{1}{1 - n α}$

$1 - α + n α$

$1 - α + \frac{α}{n}$

$\frac{α}{n} - 1 + α$

$(1 - α) n A ⇌ \frac{α}{n} A n$
$i = 1 - α + \frac{α}{n}$

Q. If in a solvent, n simple molecules of solute combine to form an associated molecule, α is the degree of association, the van't Hoff's factor is equal to

1−nα1​

1−α+nα

1−α+nα​

nα​−1+α