(A) The 'Purple of Cassius' is a colloidal solution of gold. It is prepared by the reduction of auric chloride $(AuCl_3)$ with stannous chloride $(SnC

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(A) The 'Purple of Cassius' is a colloidal solution of gold. It is prepared by the reduction of auric chloride $(AuCl_3)$ with stannous chloride $(SnCl_2)$. Therefore,the correct option is $A$.

Class 12 Chemistry Surface Chemistry Colloids, Emulsion, Gel and Their properties with application

Easy

The 'Purple of Cassius' is:

A
Gold solution
B
Silver solution
C
Copper solution
D
Platinum solution

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

Surface Chemistry

Subtopic

Colloids, Emulsion, Gel and Their properties with application

Explain the coagulation of lyophilic sols and the protection of colloids.

Difficult

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Which mixture of the solutions will lead to the formation of a negatively charged colloidal $[AgI]I^{-}$ sol?

DifficultNEET 2019

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Which among the following is an example of a $2$-dimensional nanostructure?

EasyMHT CET 2022

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Which of the following is a lyophobic colloidal solution?

EasyTS EAMCET 2004

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Match List-$I$ with List-$II$.

List-$I$ List-$II$

$A$. Lyophilic colloid $I$. Liquid-liquid colloid

$B$. Emulsion $II$. Protective colloid

$C$. Positively charged colloid $III$. $FeCl_3 + NaOH$

$D$. Negatively charged colloid $IV$. $FeCl_3 + \text{hot water}$

Choose the correct answer from the options given below:

List-$I$	List-$II$
$A$. Lyophilic colloid	$I$. Liquid-liquid colloid
$B$. Emulsion	$II$. Protective colloid
$C$. Positively charged colloid	$III$. $FeCl_3 + NaOH$
$D$. Negatively charged colloid	$IV$. $FeCl_3 + \text{hot water}$