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Which of the following will be the most ...

Which of the following will be the most effective in the coagulation of `Fe(OH)_(3)` sol ?

A

`Na_2HPO_3`

B

`NaNO_3`

C

`Na_3PO_4`

D

`Na_2SO_4`

Text Solution

Verified by Experts

`Fe(OH)_3` is a positive sol and therefore, the best coagulant is `PO_4^(3-)` ions.
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Explore conceptually related problems

(a) Explain how phenomenon of adaorption findss application in heterogeneous catlysis ? (b) Which of the following electrolytes in the most effective for the coagulation of (Fe(OH)_(3)) sol, that is positively charged ? NaCl,Na_(2)SO_(4),Na_(3)PO_(4).

Which one of the following electrolytes is most effective for the coagulation of Fe(OH)_(3) sol and why? NaCl, Na_(2)SO_(4),Na_(3)PO_(4)

(a) A colloidal sol is prepared by the given method in figure. What is the charge of AgI colloidal particles in the test tube ? How is the sol formed, represented? (b) Explain how the phenomenon of adsorption finds application in Heterogeneous catalysis. (c) Which of the following electroytes is the most effective for the coagulation of Fe(OH)_(3) sol which is a positively charged sol? NaCI, Na_(2)SO_(4), Na_(3)PO_(4)

MODERN PUBLICATION-SURFACE CHEMISTRY-COMPETITION FILE (OBJECTIVE TYPE QUESTIONS) (B. MULTIPLE CHOCE QUESTIONS FROM COMPETITIVE EXAMINATIONS)
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  2. The dispersed phase and dispersion medium in soap lather are respectiv...

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  3. Which of the following will be the most effective in the coagulation o...

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  4. Which is correct about physical adsorption ?

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  5. The coagulating power of electrolytes having ions Na^(+),Al^(3+) and B...

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  6. the stability of lyophilic colloids is due to

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  7. The amount of electrolytes required to coagulate a given amount of Agl...

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  8. Gold sol can be prepared by

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  9. For Freundlich isotherm, a groph of log x/m is plotted against log p.

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  10. Which of the following colloids cannot be easily coagulated ?

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  11. Which of the following curves is in accordance with Freundlich adsorpt...

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  12. 3 g of activated charcoal was added to 50 mL of acetic acid solution (...

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  13. Write one similarity between physisorption and chemisorption.

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  14. Which of the following statements is incorret about physisorption?

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  15. For a linear plot of log (x/m) versus log p in a Freundlich adsorption...

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  16. Which of the following is not favourable condition for physical adsorp...

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  17. Which of the following process is responsible for the formation of del...

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  18. The Tyndall effect is observed only when following conditions are sati...

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  19. The coagulation power of an electrolyte for As(2) S(3) decreases in th...

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  20. Which of the following electrolytes will have maximum coagulating valu...

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