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Greater the valency, the higher is the c...

Greater the valency, the higher is the coagulating power of ion. This rule was introduced by

A

Hardy - Schulze

B

Graham

C

Kossel & Lewis

D

Faraday

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A
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Valence bond theory was introduced by

coagultion is the process by which the dispersed phase of a colloid is made to aggregate and thereby separtate from the continuous phase. The minimum concetration of an eletrolyte in milli-moles per litre of the electrolyte solution which required to cause the caogultion of colloidal sol is called coagution value . therefroe higher is the coagulatings power of effective ion, smaller will be the coagultion value of the electrolyte. coagultion value propto = 1/("coagulating power") the coagulation values of differnt electrolytes are different . this behavious can be easily uderstood by Harby - schulze rule which states. the greater is the valency of the effective ion grreater is its coagulating power," which one had the highest coagulating powe?

coagultion is the process by which the dispersed phase of a colloid is made to aggregate and thereby separtate from the continuous phase. The minimum concetration of an eletrolyte in milli-moles per litre of the electrolyte solution which required to cause the caogultion of colloidal sol is called coagution value . therefroe higher is the coagulatings power of effective ion, smaller will be the coagultion value of the electrolyte. the ability of an ion to bring about coagulation of a given colloid depends upon :

coagultion is the process by which the dispersed phase of a colloid is made to aggregate and thereby separtate from the continuous phase. The minimum concetration of an eletrolyte in milli-moles per litre of the electrolyte solution which required to cause the caogultion of colloidal sol is called coagution value . therefroe higher is the coagulatings power of effective ion, smaller will be the coagultion value of the electrolyte. the coagulation of colloidal particles fo the sol can be caused by :

Which of the following ion has the highest coagulation power for the sol. Which is obtained by the following reaction? FeCl_(3)("excess")+NaOHtoSol

According to Hardy - Schulze rule, the coagulating power of cation follows the order :

According to Hardy - Schulze rule, the coagulating power of cation follows the order :

Give reason for each of the following: For ferric hydroxide sol the coagulating power of phosphate ion is more than chloride ion.

Which of the following has highest coagulating power for As_(2)S_(3) sol ?

On which of the following properties does the coagulating power of an ion depend?

ALLEN-SURFACE CHEMISTRY -ASSERTION & REASO
  1. Greater the valency, the higher is the coagulating power of ion. This ...

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  2. Assertion(A): Langmuir adsorption is a single-layer phenomenon. Reas...

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  3. Assertion :- A sol of As(2)S(3) prepared by the action of H(2)S on As(...

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  4. Assertion(A): Physical adsorption of milecules on the surface requires...

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  5. Assertion :- Filtration of colloidal particles is not possible by filt...

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  6. Assertion :- A gas mixed with another gas forms a colloidal solution. ...

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  7. Assertion :- Lyophilic sol is more stable than lyophobic sol. Reaso...

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  8. Assertion :- Associated colloids are formed by aggregation of large no...

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  9. Assertion :- In case of chemical adsorption, (x)/(m) first increase th...

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  10. Assertion :- Physical adsorption forms multimolecular layer. Reason ...

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  11. Assertion :- The graphical representation of physical adsorption with ...

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  12. Assertion :- Zeolite is shape selective catalyst. Reason :- Size of ...

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  13. Assertion :- Lyophilic sol coagulate by adding other solvent. Reason...

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  14. Assertion :- Catalyst is more effective in powdered form. Reason :- ...

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  15. Assertion :- During physical adsorption multimolecular layers are form...

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  16. Assertion: A quious gold colloidal solution is red in colour. Reason...

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  17. Assertion(A): Alcohols are dehydrated to hydrocarbons in the pressure ...

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  18. Assertion(A): The micelle formed by sodiumm stearate in water has -COO...

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  19. Assertion: Reaction of SO(2) and H(2)S in the presence of Fe(2)O(3) ca...

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  20. Assertion(A): Fe^(3)+ can be used for coagulation of As(2)S(3) sol. ...

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  21. Assertion (A): Micelles are formed by surfactant molecules above the c...

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