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Gold sol is an electronegative sol. The ...

Gold sol is an electronegative sol. The amount of electrolyte required to coagulate a certain amount of gold sol is maximum in this case of

A

`CaCl_(2)`

B

`NaCl`

C

`AlCl_(3)`

D

`Na_(2)SO_(4)`

Text Solution

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The correct Answer is:
C
Coagulation is governed by Hardy schulze rule.
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