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Among the electrolytes Na(2)SO(4),CaCl(2...

Among the electrolytes `Na_(2)SO_(4),CaCl_(2),As_(2)(SO_(4))_(3)` and `NH_(4)Cl,` the most effective coagulationf agent for `Sb_(2)S_(3)` negatively charged sol is :

A

`Na_(2)SO_(4)`

B

`CaCl_(2)`

C

`Al_(2)(SO_(4))_(3)`

D

`NH_(4)Cl.`

Text Solution

Verified by Experts

The correct Answer is:
C
`Al^(3+)` ion has the maximum coagulating capacity.
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