Home
Class 12
CHEMISTRY
Why is Fe(OH)(3) colloid positively char...

Why is `Fe(OH)_(3)` colloid positively charged when prepared by adding `FeCl_(3)` to hot water ?

Text Solution

Verified by Experts

Positively charged sol is formed because `Fe^(3+)` ions are adsorbed on the surface of the particles of `Fe(OH)_(3).`
Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    PRADEEP|Exercise MATCHING TYPE QUESTINOS|5 Videos

  • SURFACE CHEMISTRY

    PRADEEP|Exercise ASSERTION AND REASON TYPE QUESTIONS|5 Videos

  • SURFACE CHEMISTRY

    PRADEEP|Exercise MULTIPLE CHOICE QUESTIONS-II|11 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    PRADEEP|Exercise Competition (FOCUS) JEE (Main and Advanced)/Medical Entrance SPECIAL (VIII. Assertion-Reason Type Questions)(Type II)|13 Videos

Similar Questions

Explore conceptually related problems

The addition of FeCl_(3) to water

A freshly prepared Fe(OH)_(3) precipitate is peptized by adding FeCl_(3) solution. The charge on the colloidal particle is due to preferential adsorption of

A reddish brown positively charged sol is obtained by adding small quantity of FeCl_(3) solution to freshly prepared and well washed Fe(OH)_(3) precipitate. How does it take place ?

When negatively charged colloids like As_(2)S_(3) sol is added to positively charged Fe(OH)_(3) sol in suitable amounts

When negatively charged colloids like As_(2)S_(3) sol is added to positively charged Fe(OH)_(3) sol in suitable amounts :

A reddish positive charged sol is obtained by adding small quantity of FeCl_(3) solution to freshly prepared and well washed Fe(OH)_(3) precipitate. How does it take place?

What is the principle involved in the preparation of FeCl_(3)

PRADEEP-SURFACE CHEMISTRY -SHORT ANSWER QUESTIONS
  1. What causes Brownian motion in colloidal dispersion?

    Text Solution

    |

  2. A colloid is formed by adding FeCl(3) in excess of hot water. What wil...

    Text Solution

    |

  3. How do emulsifiers stabilise emulsion ? Name two emulsifiers.

    Text Solution

    |

  4. Why are some medicines more effective in the colloidal form ?

    Text Solution

    |

  5. Why does leather get hardened after tanning ?

    Text Solution

    |

  6. How does the precipitation of colloidal smoke take place in Cottrell p...

    Text Solution

    |

  7. How will you distiguish between dispersed phase and dispersion medium ...

    Text Solution

    |

  8. On the basis of Hardy-schulze rule explain why the coagulating power o...

    Text Solution

    |

  9. Why does bleeding stop by rubbing moist alum?

    Text Solution

    |

  10. Why is Fe(OH)(3) colloid positively charged when prepared by adding Fe...

    Text Solution

    |

  11. Why do physisorption and chemisorption behave differently with rise in...

    Text Solution

    |

  12. What happens when dialysis is prolonged?

    Text Solution

    |

  13. Why does the white precipitate of silver halide become coloured in the...

    Text Solution

    |

  14. What is the role of activated charcoal in gas mask used in coal mines?

    Text Solution

    |

  15. How does a delta form at the meeting place of sea and river water?

    Text Solution

    |

  16. Given an example where physisorption changes to chemisorption with ris...

    Text Solution

    |

  17. Why is desorption important for a substance to act as good catalyst?

    Text Solution

    |

  18. What is the role of diffusion in heterogeneous catalyst?

    Text Solution

    |

  19. How does a solid catalyst enhance the rate of combination of gaseous ...

    Text Solution

    |

  20. Do the vital functions of the body such as digestion get affected duri...

    Text Solution

    |