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Q. Coagulation value of the electrolytes $AlCl_{3}$ and $NaCl$ for $As_{2}S_{3}$ sol are $0.093$ and $52$ respectively. How many times $AlCl_{3}$ has greater coagulating power than $NaCl$ :-

NTA AbhyasNTA Abhyas 2022

Solution:

Coagulation power $∝\frac{1}{ Coagulationvalue }$
$\frac{AlCl_{3}}{NaCl}=\frac{52}{0 . 093}=560$