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The electrolyte having maximum flocculat...

The electrolyte having maximum flocculation value for `Ag//Ag^+` sol is

A

`Na_2S `

B

`Na_3PO_4`

C

NaCl

D

`Na_2SO_4`

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Define flocculation value.

Which of the following has minimum Flocculation value for positively charged sol?

Which of the following electrolyte requires maximum concentration to cause coagulation of As_2S_3 sol ?

Which of the following is most effective electrolyte in causing the flocculation of a negatively charged arsenious sulphide solution ?

coagulation is the process by which the dispersed phase of a colloid is made to aggregate and thereby separate from the continuous phase. The minimum concentration of an electrolyte in mili-moles per litre of the electrolyte solution which required to cause the coagulation of colloidal sol is called coagulation value . therefore higher is the coagulating power of effective ion, smaller will be the coagulation value of the electrolyte. the coagulation of colloidal particles to the sol can be caused by : heating, adding electrolyte, adding oppositely charged sol, all of these.

Which of the following has maximum value of flocculating

True or False : Greater the flocculation value of an electrolyte, greater is its coagulating power.

which of the following electrolyte will be most effective in coagulation of negative sol ?

MODERN PUBLICATION-SURFACE CHEMISTRY-EXERCISE
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