Home
Class 12
CHEMISTRY
During Lassaigne's test, N and S present...

During Lassaigne's test, N and S present in an organic compound changes into

A

`Na_2S and NaCN`

B

`NaSCN`

C

`Na_2SO_4` and NaCN

D

`Na_2S and NaCN`.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ALDEHYDES , KETONES AND CARBOXYLIC ACIDS

    MODERN PUBLICATION|Exercise Multiple Choice Questions ( Level - III )|10 Videos
  • BIOMOLECULES

    MODERN PUBLICATION|Exercise Recent Examination Questions|13 Videos

Similar Questions

Explore conceptually related problems

During Lassaigne's test N and S present in an organic compound change into

During nitrogen estimation present in an organic compound by Kjeldahl.s method, the ammonia evolved from 0.5 g of the compound in Kjeldahl.s estimation of nitrogen neutralised 10 ml of 1 M H_(2)SO_(4) . Find the percentage of nitrogen in the compound.

During the fusion of organic compound with sodium metal, nitrogen present in the organic compound is converted into

MODERN PUBLICATION-APPENDIX A-Multiple Choice Questions (Level-I)
  1. Correct formula of the complex formed in the brown ring test for NO3^(...

    Text Solution

    |

  2. Iodine reacts with sodium thiosulphate to form sodium iodide and :

    Text Solution

    |

  3. During the study of rate of reaction between H2O2, and iodide ion, the...

    Text Solution

    |

  4. AgCl is soluble in :

    Text Solution

    |

  5. During Lassaigne's test, N and S present in an organic compound change...

    Text Solution

    |

  6. When H2S is passed through the HCl solution containing CuCl2, HgCl2, ...

    Text Solution

    |

  7. With K4[Fe(CN)6],Cu^(2+) ions give :

    Text Solution

    |

  8. The number of moles of KMnO4 that will be needed to react with one mol...

    Text Solution

    |

  9. Identify the correct order of solubility of Na2S, CuS and ZnS in aque...

    Text Solution

    |

  10. An aqueous solution of a substance gives a white precipitate on treatm...

    Text Solution

    |

  11. A gas 'X' is passed through water to form a saturated solution. The aq...

    Text Solution

    |

  12. How do you differentiate between Fe^(3+) and Cr^(3+) in qualitative a...

    Text Solution

    |

  13. Which statement is correct ?

    Text Solution

    |

  14. [X]+H2SO4 to [Y] a colourless gas with irritating smell. [Y]+K2Cr2O7...

    Text Solution

    |

  15. A sodium salt on treatment with MgCl2 gives white precipitate only on ...

    Text Solution

    |

  16. To neutralise completely 20 ml of 0.1 M aqueous solution of phosphorou...

    Text Solution

    |

  17. The compound formed in the positive test for nitrogen with Lassaigne's...

    Text Solution

    |

  18. A metal nitrate reacts with KI to give a black precipitate, which on a...

    Text Solution

    |

  19. Consider a titration of potassium dichromate solution with acidified M...

    Text Solution

    |

  20. A solution of a metal ion when treated with KI gives a red precipitate...

    Text Solution

    |