Medium
Which of the following anions has the lowest coagulating power for the precipitation of a positive sol?
- A$\left[Fe(CN)_6\right]^{4-}$
- B$PO_4^{3-}$
- C$SO_4^{2-}$
- D$Cl^{-}$
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Similar Questions
The coagulation power of an electrolyte for arsenious sulphide sol decreases in the order:
Medium
View SolutionThe reason for the stability of a lyophobic sol is
Medium
View SolutionWhich of the following processes does $NOT$ result in coagulation?
The following data is obtained for coagulating a positively charged sol in $2$ hours:
Conc. of $Cl^{-}$ in $mol \cdot L^{-1}$ Result $5 \times 10^{-5}$ Sol not precipitated $6 \times 10^{-5}$ Sol not precipitated $7 \times 10^{-5}$ Sol precipitated $8 \times 10^{-5}$ Sol precipitated $1 \times 10^{-4}$ Sol precipitated
What is the coagulating value of electrolyte for this sol?
| Conc. of $Cl^{-}$ in $mol \cdot L^{-1}$ | Result |
| $5 \times 10^{-5}$ | Sol not precipitated |
| $6 \times 10^{-5}$ | Sol not precipitated |
| $7 \times 10^{-5}$ | Sol precipitated |
| $8 \times 10^{-5}$ | Sol precipitated |
| $1 \times 10^{-4}$ | Sol precipitated |
What is the coagulating value of electrolyte for this sol?
The process in which colloids,when subjected to a $DC$ electric field,move towards an electrode is known as:
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