Match the following: List-I (Sol)List-II (Met | vedclass

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(C) The preparation methods for various colloidal sols are as follows:$A$. $As_2S_3$ (Arsenic sulfide) sol is prepared by double decomposition: $As_2O

Vedclass · Accepted Answer

$A-IV, B-I, C-II, D-III$

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(C) The preparation methods for various colloidal sols are as follows:$A$. $As_2S_3$ (Arsenic sulfide) sol is prepared by double decomposition: $As_2O_3 + 3H_2S \rightarrow As_2S_3 + 3H_2O$.$B$. $Au$ (Gold) sol is prepared by Bredig's arc method (dispersion method).$C$. $S$ (Sulfur) sol is prepared by oxidation: $2H_2S + SO_2 \rightarrow 3S + 2H_2O$.$D$. $Fe(OH)_3$ (Ferric hydroxide) sol is prepared by hydrolysis: $FeCl_3 + 3H_2O \rightarrow Fe(OH)_3 + 3HCl$.Thus,the correct matching is $A-IV, B-I, C-II, D-III$.

List-$I$ (Sol)	List-$II$ (Method of preparation)
$A$. $As_2S_3$	$IV$. Double decomposition
$B$. $Au$	$I$. Bredig's arc method
$C$. $S$	$II$. Oxidation
$D$. $Fe(OH)_3$	$III$. Hydrolysis

Match the following:
List-$I$ (Sol) List-$II$ (Method of preparation)
$A$. $As_2S_3$ $IV$. Double decomposition
$B$. $Au$ $I$. Bredig's arc method
$C$. $S$ $II$. Oxidation
$D$. $Fe(OH)_3$ $III$. Hydrolysis
The correct answer is:

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Match the following: List-$I$ (Sol)List-$II$ (Method of preparation)$A$. $As_2S_3$$IV$. Double decomposition$B$. $Au$$I$. Bredig's arc method$C$. $S$$II$. Oxidation$D$. $Fe(OH)_3$$III$. Hydrolysis The correct answer is: