MCQ
Van't Hoff factor of $Hg_2Cl_2$ in its aqueous solution will be : ($Hg_2Cl_2$ is $80\%$ ionized in the solution) :-
- A$1.6$
- ✓$2.6$
- C$3.6$
- D$4.6$
✓
Answer
Correct option: B.
$2.6$
b
$\mathrm{BaCl}_{2} \rightleftharpoons \mathrm{Ba}^{+2}+2 \mathrm{Cl}^{-}$
$\mathrm{BaCl}_{2} \rightleftharpoons \mathrm{Ba}^{+2}+2 \mathrm{Cl}^{-}$
$n=3$
$\alpha=\frac{i-1}{n-1}$
$0.6=\frac{i-1}{3-1}$
$i=2.2$
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