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colloidal solution of arsenious sulphide...

colloidal solution of arsenious sulphide is coagulated by

A

Electrodispersion method

B

Peptization

C

Double decomposition

D

Hydrolysis

Text Solution

Verified by Experts

The correct Answer is:
C
Arsenious sulphide can be prepared by double decomposition
`As_(2)O_(3)+3H_(2)S rarr As_(3)S_(3)+3H_(2)O`.
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A2Z-SURFACE CHEMISTRY-Section D - Chapter End Test
  1. Which of the following is not represented by sols?

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  2. Example of an intrinsic colloid is

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  3. colloidal solution of arsenious sulphide is coagulated by

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  4. Gold number gives

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  5. Point out the false statement

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  6. which of the following does not contain a hydrophobic structures.

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  7. The function of gum arabic in the preparation of Indian ink is

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  8. Which of the following gases is adsorbed most by activated charcoal?

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  9. Spherical gold paricles of radius 10nm, then the number of gold partic...

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  10. Which of the following forms cationic micelles above certain concentra...

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  11. In Frenudlich adsorption isotherm si proportional to pressure P as

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  12. Noble gases are adsorbed by

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  13. Adam's catalyst is

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  14. Which of the following types of metal form the most efficient catalyst...

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  15. As(2)S(3) has a negative charge. Capacity to precipate it is highest i...

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  16. Which of the following ielectrolytes is least effective in causing flo...

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

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  18. Assertion: According to Freundlich: x/m k.P^(1//n) Reason: The isot...

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  19. Assertion: For the coagulation of sols carrying positive charge, PO(4)...

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  20. Assertion: Physical absorption of molecular takes place on surface onl...

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