Home
Class 12
CHEMISTRY
A white solid imparts a violet colour to...

A white solid imparts a violet colour to a Bunsen flame. On being heated with concentrated `H_(2)SO_(4)`, the solid gives violet vapours that turn starch paper blue. The salt may be :

A

NaI

B

KI

C

`CaBr_(2)`

D

`MgI_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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

A salt, which on heating with conc. H_(2)SO_(4) gives violet vapour is

A salt , which on heating with conc. H_(2)SO_(4) gives violet vapour is

Phenol on being heated with concentrated H_(2)SO_(4) and then with concentrated HNO_(3) gives

A whiite crystalline salt imparts a violet colour to a Bunsen flame, and with hot concentrated H_(2)SO_(4) , forms a pungent gas. On treatment with an AgNO_(3) solution, this gas forms a white precipitate readily soluble in NH_(3) . The whiite crystalline salt may be:

On treated with dilute H_(2)SO_(4) , a salt gives a gas whch turns lime water milky. The salt can be

A which solid gives a green residue on beingi subjected to the cobalt nitrate test.on being warmed with concentrated H_(2)SO_(4) , the solid gives a brown gas, which evolves vigorously on the addition of Cu turningsl. The solid may be:

A salt which on hearing with conc. H_2 SO_4 gives violet vapours is

VK JAISWAL-QUALITATIVE INORGANIC ANALYSIS-LEVEL 2
  1. Which of the following is formed in solution when [Cu(NH(3))(4)]^(2+) ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  12. Which of the following pairs of cations will turn borax beads blue in ...

    Text Solution

    |

  13. A colourless crystalline salt, on being heated, gives a coloured gas w...

    Text Solution

    |

  14. When NH(4)Cl is not used together with NH(4)OH in group-III reagent wh...

    Text Solution

    |

  15. underset("imparts violet colour to flame")((T)) overset("Compound (U)+...

    Text Solution

    |

  16. In the separation of Cu^(2+) and Cd^(2+) in II group qualitative analy...

    Text Solution

    |

  17. The only cations present in the slightly acidic solution are Fe^(3+),Z...

    Text Solution

    |

  18. When conc. H(2)SO(4) was teated with K(4)[Fe(CN)(6)], CO gas was evolv...

    Text Solution

    |

  19. Unknown salt 'A'+K(2)Cr(2)O(7)+"conc. "H(2)SO(4) to Reddish brown fume...

    Text Solution

    |

  20. An inorganic red coloured compound (A) on heating gives a compound (B)...

    Text Solution

    |