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The concentration of electrolyte require...

The concentration of electrolyte required to coagulate a given amount of `Sb_(2) S_(3) |S^(2-)` sol is minimum in the case of :

A

Magnesium nitrate

B

Potassium nitrate

C

Potassium sulphate

D

Aluminium nitrate

Text Solution

Verified by Experts

The correct Answer is:
D
Because of highest charge on cation.
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ERRORLESS-SURFACE CHEMISTRY-NCERT BASED QUESTIONS (Colloids, Emulsion, Gel and their properties with Application)
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  2. Purification of colloids is done by the process of

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  3. The concentration of electrolyte required to coagulate a given amount ...

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  4. Which of the following can protect a gold sol from coagulation by NaCl...

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  5. Gold number is maximum for the lyophilic sol is

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  6. Method by which lyophobic sol can be protected.

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  7. Gold number is

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  8. On addition of one mL solution of 10% NaCl to 10 mL gold sol in the pr...

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  9. Gold number is associated with

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

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  11. Gelatian is mostly used in making ice cream in order to

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  12. Lyophilic sols are more stable than lyophobic sols because

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  13. The number of moles of lead nitrate needed to coagulate 2 mole of coll...

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  14. Which of the following pairs of ions would be expected to form precipi...

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

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  17. Gold number is a measure of the :

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  18. Select wrong statement

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  19. The coagulation of 200 mL of a positive sol took place when 0.73 g HCl...

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  20. Which of the following makes the hydrophilic sol unstable?

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