Home
Class 12
CHEMISTRY
In Lassaigne’s test, the organic compoun...

In Lassaigne’s test, the organic compound is fused with a piece of sodium metal in order to

A

ncrease the ionisation of the compound

B

decrease the melting point of the compound

C

increase the reactivity of the compound

D

convert the covalent compound into a mixture of ionic compounds.

Text Solution

Verified by Experts

The correct Answer is:
D

To convert covalent compounds into ionic com- pounds such as NaCN, `Na_(2)S`, NaX etc.
Promotional Banner

Topper's Solved these Questions

  • PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUND

    DINESH PUBLICATION|Exercise Assorted .Q|21 Videos
  • PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUND

    DINESH PUBLICATION|Exercise Revision Q.F.Competitive exams|93 Videos
  • PRINCIPLES RELATED TO PRACTICAL CHEMISTRY

    DINESH PUBLICATION|Exercise Brain teasers-42|1 Videos
  • REDOX REACTIONS

    DINESH PUBLICATION|Exercise Ultimate Preparation|9 Videos

Similar Questions

Explore conceptually related problems

In Lassaigne’s test, the organic compound is fused with sodium metal so as to

In Lassaigne's test, the organic compound is fused with sodium metal so as to

In Lassaigne 's test , the organic compound is fused with sodium metal . Which of the following is NOT the possible product of this fusion reaction ?

" In Lassaigne's test,the organic compound is first used with sodium metal.The sodium metal is used because "

Organic compound is fused with sodium piece in Lassaigne's test in order to

I. Read the following passage and answer questions 1 - 5 that follow: Nitrogen, sulphur and halogens in an organic compound are detected by Lassaigne's test in which the organic compound is fused with sodium metal. During fusion N is converted to NaCN, S to Na_2 S and halogens to sodium halides. Why is an organic compound fused with metallic sodium for testing N, S and halogens?

I. Read the following passage and answer questions 1 - 5 that follow: Nitrogen, sulphur and halogens in an organic compound are detected by Lassaigne's test in which the organic compound is fused with sodium metal. During fusion N is converted to NaCN, S to Na_2 S and halogens to sodium halides. ln the Lassaigne's test for nitrogen in an organic compound, the prussian blue colour is due to ......

I. Read the following passage and answer questions 1 - 5 that follow: Nitrogen, sulphur and halogens in an organic compound are detected by Lassaigne's test in which the organic compound is fused with sodium metal. During fusion N is converted to NaCN, S to Na_2 S and halogens to sodium halides. What colour will you get in Lassaigne's test if the compound contains both N and S?

DINESH PUBLICATION-PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUND -Ultimate Preparatory Package
  1. In Lassaigne’s test, the organic compound is fused with a piece of sod...

    Text Solution

    |

  2. The molecular mass of a compound containing only one nitrogen atom can...

    Text Solution

    |

  3. A gaseous hydrocarbon with empirical formula CH(2) has a density of 12...

    Text Solution

    |

  4. The haemoglobin contains 0:33% iron by weight. Its molecular mass is 6...

    Text Solution

    |

  5. The density of a gaseous organic compound is 1.3xx10^(-3) g mL^(-1) at...

    Text Solution

    |

  6. 9 " mL of " a mixture of methane and ethylene was exploded with 30 mL ...

    Text Solution

    |

  7. A compound which does not give a positive test in Lassaigne's test for...

    Text Solution

    |

  8. An organic compound contains, C, H and S. The minimum molecular weight...

    Text Solution

    |

  9. If 0.24 g of a volatile liquid upon vaporization gives 45 ml of vapors...

    Text Solution

    |

  10. A saturated hydrocarbon contains 82.66% carbon. Its molecular formula ...

    Text Solution

    |

  11. A purified pepsin was subjected to amino acid analysis. The amino acid...

    Text Solution

    |

  12. Thiophene can be removed from commercial benzene by

    Text Solution

    |

  13. An organic compound is extracted from its aqueous solution with 100 mL...

    Text Solution

    |

  14. Positive Beilstein test for halogen shows that

    Text Solution

    |

  15. A disbasic acid containing C, H, and O was found to contain C = 26.7% ...

    Text Solution

    |

  16. An organic compound has C and H percentage in the ratio 6:1 and C and ...

    Text Solution

    |