The coagulating power of an ion for a colloid | vedclass

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(D) According to the $Hardy-Schulze$ rule,the coagulating power of an ion depends on the magnitude of the charge carried by the ion. Greater the valen

Vedclass · Accepted Answer

Both magnitude and sign of its charge

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(D) According to the $Hardy-Schulze$ rule,the coagulating power of an ion depends on the magnitude of the charge carried by the ion. Greater the valence of the flocculating ion added,the greater is its power to cause precipitation. The sign of the charge on the ion must be opposite to that of the colloidal particles to cause coagulation. Therefore,the coagulating power depends on both the magnitude and the sign of the charge.

List-$I$	List-$II$
$I$. Colloidal antimony	$A$. Kala-azar
$II$. Silver sol	$B$. Intramuscular injection
$III$. Milk of magnesia	$C$. Eye lotion
$IV$. Gold sol	$D$. Stomach disorder

The coagulating power of an ion for a colloidal solution depends on which of the following?

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Match List-$I$ with List-$II$ and select the correct option:
List-$I$ List-$II$
$I$. Colloidal antimony $A$. Kala-azar
$II$. Silver sol $B$. Intramuscular injection
$III$. Milk of magnesia $C$. Eye lotion
$IV$. Gold sol $D$. Stomach disorder

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