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Which of the following electrolytes is l...

Which of the following electrolytes is least effective in causing flocculation of ferric hydroxide sol?

A

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

B

`K_(2)CrO_(4)`

C

`KBr`

D

`K_(2)SO_(4)`

Text Solution

Verified by Experts

The correct Answer is:
C
`KBr` is least effective in causing fllocculaton of ferric hydroxide sol sue to minimum charge at `(KBr)Br`.
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A2Z-SURFACE CHEMISTRY-Colloids (Properties, Coagulation, Protection, Emulsions And Applications)
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  2. A gel is converted into a sol by shaking it with a disperision medium....

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  3. Which of the following electrolytes is least effective in causing floc...

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  4. In which of the following Tyndall effect is not observed

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  5. Sky looks blue due to

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  6. on addition of 1 ml solution of 10% NaCl to 10 ml gold sol in the pres...

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  7. The average molecular mass of colloidal can be determined by

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  8. Ferric hydroxide sol is positively charged colloid. The coagulating po...

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  9. a negatively chaged suspension of clay in water will need for precipit...

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  10. Which type of property is the Brownian movement of colloidal sol?

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  11. Movement of colloidal particles under the influence of electrostatic f...

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  12. Which of the following substance gives a positively charged sol?

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  13. Which of the following is not represented by sols?

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  14. which of the following electrolytes have maximum coagulationg power ?

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  15. Arsenic (III) sulphide forms a sol with a negative charge. Which of th...

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  16. Tyndall phenomenon is exhibited by

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  17. Milk can be preserved by adding a few drops of

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  18. The pressure of colloidal particles of dust in air imparts blue colour...

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  19. Property of the colloidal solution is due to

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  20. Smoke has generally blue tinge. It is due to

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