List of top Chemistry Questions on Colloids

Explain the method by which colloidal solutions of ink and graphite are prepared.
On which of the following properties does the coagulating power of an ion depend?

The gold number range of some of the lyophilic colloids is given below: 
A: 0.005 - 0.01,  B: 0.15 - 0.25,  C: 0.04 - 1.0,  D: 15 - 25.

Define osmotic pressure. Why is measurement of osmotic pressure method preferred for the determination of molar masses of macromolecules such as proteins and polymers?
The gold number range of some lyophilic colloids is given below: A: 0.005–0.01, B: 0.15–0.25, C: 0.04–1.0, D: 15–25
Which of the following is an emulsion?
Coagulating power of an ion for a colloid solution depends on
Which of the following electrolytes will have maximum coagulating value for AgI/Ag$^+$ sol?
Which of the following sols are correctly matched with their corresponding charges?
(A) Cr(OH)3 sol: negatively changes sol
(B) TiO2 sol: positively charges sol
(C) CdS sol : positively charged sol
(D) Gum : negatively sol
(E) Silver sol : positively charged sol
Choose the correct answer from the option given below
Which of the following statements are true?
A. Flocculation value is inversely proportional to the coagulating power.
B. Colloidal silicon is a protective colloid.
C. Alum is used for cleaning muddy water.
D. Gelatin is added to ice cream to act as an emulsifier.
Choose the most appropriate answer from the options given below.
Statement I: For colloidal particles, the values of colligative properties are of small order as compared to values shown by true solutions at the same concentration 
Statement II: For colloidal particles, the potential difference between the fixed layer and the diffused layer of the same charges is called the electrokinetic potential or zeta potential
In the light of the above statements, choose the correct answer from the options given below
The minimum concentration of an electrolyte in millimoles per litre which is required to cause the precipitation of a sol in two hours is called as:
The Zeta potential is related to which property of colloids?
Match List-I with List-II
 List I List II
A.Lyophilic colloidiLiquid-liquid colloid
B.EmulsioniiProtective colloid
C.Positively chargediii\(FeCl_3 + NaOH\)
D.Negatively chargediv\(FeCl_3 + hot\; water\)

Choose the correct answer from the options given below :

The aerosol is a kind of colloid in which :
The coagulating power of electrolytes having ions $Na^+, Al^{3+}$ and $Ba^{2+}$ for arsenic sulphide sol increases in the order