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Which one of the following electrolytes ...

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

NaCI

B

`Na_(2)S`

C

`(NH_(4))_(3)PO_(4)`

D

`K_(2)SO_(4)`

Text Solution

Verified by Experts

The correct Answer is:
A
Flocculation value `prop (1)/("Charge an ion ")`
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NARAYNA-SURFACE CHEMISTRY -EXERCISE - 3
  1. Gold number is associated with :

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  2. In a heterogeneous catalysis which of the following processes takes pl...

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  3. Which one of the following electrolytes is most effective for the coag...

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  4. Which of the following is a lyophobic colloidal solutution

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  5. each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reas...

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  6. The homogenous catalysis is shown by

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  7. Which of the following statements are true for hydrophilic solution ?

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  8. Which of the following properties are related to physical adsorption ?

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  9. The best condition for hetergeneous catalysis is

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  10. Gold numbers of protective colloids A, B, C and D are 0.50, 0.01, 0.10...

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  11. Which of the following statements is incorrect regarding physissorptio...

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  12. Select the incorrect statement

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  13. Four different colloids have the following gold number, which one has ...

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  14. Adsorption is an exothermic process. The amount of substance adsorbed ...

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  15. Fog is a colloidal solution of

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  16. Which characteristic is not associated with chemical adsorption?

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  17. Positve Catalyst

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  18. The protecting power of lyophilic colloidal sol is expressed in terms ...

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  19. In freundlich adsorption isotherm, the value of 1/n is :

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  20. Which one of the following statements is incorrect about enzyme cataly...

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