Home
Class 12
CHEMISTRY
On strongly heating, a blue salt leaves ...

On strongly heating, a blue salt leaves a black residue. Which of the following cations can be present in the salt?

A

`Fe^(2+)`

B

`Fe^(3+)`

C

`Cu^(2+)`

D

`Zn^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • QUALITATIVE INORGANIC ANALYSIS

    VK JAISWAL|Exercise LEVEL 3|72 Videos
  • QUALITATIVE INORGANIC ANALYSIS

    VK JAISWAL|Exercise ONE OR MORE ANSWER IS/ARE CORRECT|45 Videos
  • QUALITATIVE INORGANIC ANALYSIS

    VK JAISWAL|Exercise SUBJECTIVE PROBLEMS|5 Videos
  • PERIODIC PROPERTIES

    VK JAISWAL|Exercise ASSERTION-REASON TYPE QUESTIONS|35 Videos
  • s-BLOCK ELEMENTS

    VK JAISWAL|Exercise SUBJECTIVE PROBLEMS|2 Videos

Similar Questions

Explore conceptually related problems

Which of the following leaves no residue on heating ?

Which of the following can be used to precipitated lead salt

Which of the following is not a double salt but is a complex salt ?

Which of the following ammonium salt evolves N_(2) on heating?

Which of the following salt directly give metal on heating :-

VK JAISWAL-QUALITATIVE INORGANIC ANALYSIS-LEVEL 2
  1. A coloured solution known to contain two metal ions, was treated with ...

    Text Solution

    |

  2. Which of the following statement is incorrect? (I) In S(2)O(3)^(2-) ...

    Text Solution

    |

  3. On strongly heating, a blue salt leaves a black residue. Which of the ...

    Text Solution

    |

  4. Which of the following, when dissolved in yellow ammonium sulphide, fo...

    Text Solution

    |

  5. Thenard's blue is

    Text Solution

    |

  6. A salt imparts a yellow colour to a borax bead in an oxidising flame. ...

    Text Solution

    |

  7. BiCl(3) can be reduced to metallic bismuth by:

    Text Solution

    |

  8. The blue colour in an oxidising flame of a microcosmic bead containing...

    Text Solution

    |

  9. Which of the following reaction(s) relevat t the microcosmic salt bead...

    Text Solution

    |

  10. Which of the following is formed in solution when [Cu(NH(3))(4)]^(2+) ...

    Text Solution

    |

  11. A white solid forms Rinmann's greenn in the charcoal cavity test in an...

    Text Solution

    |

  12. A white solid imparts a violet colour to a Bunsen flame. On being heat...

    Text Solution

    |

  13. Which of the following is soluble in boiling water, but less soluble i...

    Text Solution

    |

  14. Which of the following pairs of cations cannot be separated by using d...

    Text Solution

    |

  15. If NH(4)OH in presence of NH(4)Cl is added to a solution containing Al...

    Text Solution

    |

  16. Which of the following pairs of cations ca be separated by adding NH(4...

    Text Solution

    |

  17. H(2)S is passed through the solution in an acididc medium to precipita...

    Text Solution

    |

  18. Which of the following pairs of cations can be separated by passing H(...

    Text Solution

    |

  19. Which of the following pairs of cations can be separated by using an N...

    Text Solution

    |

  20. Which of the following ions cannot be detected by the borax bead or mi...

    Text Solution

    |