Home
Class 12
CHEMISTRY
A colloid is formed by adding FeCl(3) in...

A colloid is formed by adding `FeCl_(3)` in excess of hot water. What will happen if excess sodium chloride is added to this colloid?

Text Solution

Verified by Experts

Positively charged sol of hydrated ferric oxide is formed and on adding excess of `NaCl_3` negatively charged chloride ions coagulate the positively charged sol of hydrated ferric oxide.
Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    MODERN PUBLICATION|Exercise NCERT FILE (SOLVED) (NCERT EXEMPLAR PROBLEMS) (MATCHING TYPE QUESTIONS )|6 Videos

  • SURFACE CHEMISTRY

    MODERN PUBLICATION|Exercise NCERT FILE (SOLVED) (NCERT EXEMPLAR PROBLEMS) (ASSERTION AND REASON TYPE QUESTIONS)|5 Videos

  • SURFACE CHEMISTRY

    MODERN PUBLICATION|Exercise NCERT FILE (SOLVED) (NCERT EXEMPLAR PROBLEMS) (MULTIPLE COICE QUESTIONS (TYPE-II))|12 Videos

  • SOLUTIONS

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|14 Videos

Similar Questions

Explore conceptually related problems

When excess of electrolyte is added to a colloid it :

What happens when sodium chloride is dissolved in water ?

What happens when: Boric acid is added to water,

What happens when quicklime is added to water?

When FeCl_(3) is added to phenol :

MODERN PUBLICATION-SURFACE CHEMISTRY-NCERT FILE (SOLVED) (NCERT EXEMPLAR PROBLEMS) (SHORT ANSWER TYPE QUESTIONS)
  1. What happens when aeledtric field is applied to colloidal solution ?

    Text Solution

    |

  2. What causes Brownian motion in colloidal dispersion?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  6. Why does leather get hardened after tanning ?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. On the basis of Hardy-Schulze rule explain why the coagulating power o...

    Text Solution

    |

  10. Why does bleeding stop by rubbing moist alum?

    Text Solution

    |

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

    Text Solution

    |

  12. Why do physisorption and chermisorption behave differently with rise i...

    Text Solution

    |

  13. What happens when dialysis is prolonged?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |