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Coagulation of Colloids...

Coagulation of Colloids

A

NaCl

B

KCI

C

`BaCl_(2)`

D

`AICI_(3)`

Text Solution

Verified by Experts

The correct Answer is:
D
`As_(2) S_(3)` is negative sol. For coagulating negative sol `Al^(3+)` is most effective. It is because higher the magnitude of the charge, the lower is coagulating value.
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DISHA PUBLICATION-SURFACE CHEMISTRY-Exercise-1 : Concept Builder (TOPICEWISE)
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  2. which of the following forms cationic micelles above certain concentra...

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  3. Coagulation of Colloids

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  5. Which of the following is the best protective colloid?

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  6. Example of an intrinsic colloid is

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  7. Aluminium hydroxide forms a positively charged sol. Which of the fo...

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  8. The process of removing dissolved impurities from a colloidal system b...

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  9. A freshly formed ppt of SnO(2) is peptized by a small amount of NaOH ....

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  10. Hard water is not fit for washing clothes because

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  11. colloidal solution of gold is prepared by :

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  12. Bleeding is stopped by the application of ferric chloride. This is bec...

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  13. Which one of the following forms micelles in aqueous solution above ce...

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  14. the stability of lyophilic colloids is due to

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  15. Which one of the following statements is not correct in respect of lyo...

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  16. An emulsifier is an agenet which

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  17. Among the following, correct statement is :

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  18. An oil-soluble dye is mixed with emulsion and the emulsion remains col...

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  19. Arrange the following electrolytes in the increasing order of coagulat...

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  20. A freshly obtained of SnO(2) is peptized by little of KOH to give a so...

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