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Which of the following electrolytes is m...

Which of the following electrolytes is most effective in the coagulation of gold solution?

A

`NaNO_(3)`

B

`K_(4)[Fe(CN)_(6)]`

C

`Na_(3)PO_(4)`

D

`MgCl_(2)`

Text Solution

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The correct Answer is:
D
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GRB PUBLICATION-SURFACE CHEMISTRY-E. Coagulation, Protection and Application of Colloids
  1. Most effective ion to coagulate a negative sol is :

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  2. Identify the statement which is correct w.r.t. surface phenomenon.

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  3. Which of the following electrolytes is most effective in the coagulati...

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  4. Which of the following is property of colloid?

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  5. An arsenious sulphide sol carries a negative charge . The maximum prec...

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  6. Tyndall effect is shown by

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  7. According to Hardy Schulze rule, the power of coagulation of an ion de...

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  8. Among the electrolytes Na(2),SO(4),CaCl(2),Al(2)(SO(4))(3) and NH(4)Cl...

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  9. The dispersed phase in colloidal iron (III) hydroxide and collodial go...

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  10. Gold numbers of protective colloids A,B,C and D are 0.5,0.01,0.10 and ...

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  11. On passing light from colloidal solution, the effect due to scattering...

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  12. The solution in which the light is scattered by the particles is :

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  13. The charge on As(2)S(3) sol is due to the adsorbed :

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  14. Sky looks blue due to

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  15. Gold number is minimum in case of……………

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  16. Tyndall effect will be observed in :

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  17. The Brownian motion is due to :

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  18. What happens when lyophilic sol is added to a lyophobic sol?

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  19. Identify the statement which is incorrect w.r.t. surface phenomenon.

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  20. If Fe(OH)(3) sol is subjected to electrophoresis then which of the fol...

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