The coagulation power of an electrolyte for arsenious sulphi... | CHEMISTRY - COLLOIDS AROUND US | SolveeIt | Solveeit

Today, August 18

Question

The coagulation power of an electrolyte for arsenious sulphide decreases in the order.

A

B

$\mathrm { PO } _ { 4 } ^ { - 3 } , \mathrm { SO } _ { 4 } ^ { - 2 } , \mathrm { Cl } ^ { - }$

C

$\mathrm { Al } ^ { + 3 } , \mathrm { Ba } ^ { + 2 } , \mathrm { Na } ^ { + }$

D

$\mathrm { Cl } ^ { - } , \mathrm { SO } _ { 4 } ^ { - 2 } , \mathrm { PO } _ { 4 } ^ { - 3 }$

Answer

$\mathrm { Al } ^ { + 3 } , \mathrm { Ba } ^ { + 2 } , \mathrm { Na } ^ { + }$

Explanation

Solution

According to Hardy-Schulze rule.