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Which one of the following substance giv...

Which one of the following substance gives a positively charged sol?

A

gold

B

A metal sulphide

C

ferric hydroxide

D

An acidic dye

Text Solution

Verified by Experts

The correct Answer is:
C
In `FeCl_(3)` is added to excess of hot water positively charged sol ferreic hydroxide is formed due to adsorption of `Fe^(+3)` ions.
`Fe(OH)_(3)//Fe^(+3)`
Positively charged sol.
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A2Z-SURFACE CHEMISTRY-Colloids (Properties, Coagulation, Protection, Emulsions And Applications)
  1. Ferric hydroxide sol is positively charged colloid. The coagulating po...

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  2. a negatively chaged suspension of clay in water will need for precipit...

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  3. Which type of property is the Brownian movement of colloidal sol?

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  4. Movement of colloidal particles under the influence of electrostatic f...

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  5. Which of the following substance gives a positively charged sol?

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  6. Which of the following is not represented by sols?

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  7. which of the following electrolytes have maximum coagulationg power ?

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  8. Arsenic (III) sulphide forms a sol with a negative charge. Which of th...

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  9. Tyndall phenomenon is exhibited by

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  10. Milk can be preserved by adding a few drops of

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  11. The pressure of colloidal particles of dust in air imparts blue colour...

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  12. Property of the colloidal solution is due to

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  13. Smoke has generally blue tinge. It is due to

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  14. Bleeding is stopped by the application of ferric-chloride this is beca...

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  15. Gold number is associated with

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  16. For coagulating As(2)S(3) colloidal sol, which of the following will h...

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  17. Which one of the following substance gives a positively charged sol?

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  18. colloidal solution of arsenious sulphide is coagulated by

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  19. A negatively charged suspension of clay in water will need for precipi...

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  20. If some gelatin is mixed in colloidal solution of gold, then it does

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