Home
Class 12
CHEMISTRY
When calomel reacts with ammonia solutio...

When calomel reacts with ammonia solution, a black precipitate is fomed. Write the chemical equation also name the reaction nature.

Text Solution

Verified by Experts

`Hg_(2)Cl_(2)+2 NH_(4)OHunderset("black")(toubrace(HgNH_(2)Cldarr("white")+Hgdarr("black")))+NH_(4)Cl+2 H_(2)O`,
Disproportional reaction.
Promotional Banner

Topper's Solved these Questions

  • QUALITATIVE ANALYSIS PART 1

    RESONANCE|Exercise EXERCISE 2|16 Videos

  • QUALITATIVE ANALYSIS PART 1

    RESONANCE|Exercise EXERCISE 3|22 Videos

  • QUALITATIVE ANALYSIS PART 1

    RESONANCE|Exercise EXERCISE 1 PART 1 QUALITATIVE ANALYSIS|13 Videos

  • QUALITATIVE ANALYSIS (ANION)

    RESONANCE|Exercise Matching List Type|1 Videos

  • RANK BOOSTER

    RESONANCE|Exercise All Questions|620 Videos

Similar Questions

Explore conceptually related problems

When alkali metals react with liquid ammonia the solution obtained is

When potassium iodide solution is added to a solution of lead nitrate in a testtube, a precipitate is formed. Write the balanced chemical equation for this reaction.

What happens when a cold and concentrated solution of sodium chloride reacts with ammonia and carbon dioxide? Write the chemical equation of the reaction which takes place.

On adding a drop of barium chloride solution to an aqueous solution of sodium sulphite, white precipitate is obtained. Write a balanced chemical equation of the reaction involved.

A gas is evolved when ethanol reacts with sodium. Name the gas evolved and also write the balanced chemical equation of the reaction involved.

What will happen if ethanol reacts with ethanoic acid in the presence of a mineral acid? Name the reaction. Write the chemical equation for this reaction.

A solution of potassium chloride when mixed with silver nitrate solution, an insoluble white substance is formed. Write the chemical reaction involved and also mention the type of the chemical reaction.

RESONANCE-QUALITATIVE ANALYSIS PART 1-EXERCISE 1 PART 2 QUALITATIVE ANALYSIS
  1. What is the formula of iodide of Millon's base?

    Text Solution

    |

  2. What happens when ammonia gas is passed into a solution of sodium coba...

    Text Solution

    |

  3. When calomel reacts with ammonia solution, a black precipitate is fome...

    Text Solution

    |

  4. What products are formed when precipitate formed by the reaction of Hg...

    Text Solution

    |

  5. Why do lead salts turn black on keeping for a long time in the laborat...

    Text Solution

    |

  6. Name one chloride which is soluble in hot water as well as in excess o...

    Text Solution

    |

  7. Does mercuric sulphide dissolve in sodium sulphide solution (of 2M)?

    Text Solution

    |

  8. What happens when white precipitate of Bi(OH)(3) is boiled ?

    Text Solution

    |

  9. Why Na(2)S cannot be used in place of H(2)S (in presence of HCl) as a ...

    Text Solution

    |

  10. Is their any reaction other then cyanide reaction which can be used fo...

    Text Solution

    |

  11. Which basic radical is tested with the help of alkaline sodium stannit...

    Text Solution

    |

  12. What happens when ammonium sulphide solution reacts with a solution co...

    Text Solution

    |

  13. Can Cr(III) salt be oxidised to Cr(VI) salt by potassium (or ammonium)...

    Text Solution

    |

  14. Do Fe(III) salts and Fe(II) salts both give red colouration with dimet...

    Text Solution

    |

  15. Which colour precipitate is fomed by Fe(II) salt with potassium ferroc...

    Text Solution

    |

  16. Which basic radical(s) decolourize acidic KMnO(4) ?

    Text Solution

    |

  17. Partial precipitation of Mn^(2+) as Mn(OH)(2) occurs with ammonia solu...

    Text Solution

    |

  18. What happens when Mn(II) ions free from chloride ions react with acidi...

    Text Solution

    |

  19. Why Zn(II) salt is not precipitated as Zn(OH)(2) by ammonia solution i...

    Text Solution

    |

  20. What will happen if the precipitation of V^(th) group cation by ammoni...

    Text Solution

    |