Home
Class 12
CHEMISTRY
When primary amine is heated with CS(2) ...

When primary amine is heated with `CS_(2)` in the presence of excess of `HgCl_(2)`, it gives isothiocyanate. This reaction is called 

A

Hoffmann elimination reaction

B

Perkin condensation

C

Hoffmann mustard oil reaction

D

Hoffmann bromamide reaction

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • AMINES AND DIAZONIUM SLATS

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 2 (CYANIDES AND ISOCYANIDES)|2 Videos
  • AMINES AND AZO COMPOUNDS

    AAKASH SERIES|Exercise PRACTICE SHEET - 6 (Integer answer type Questions)|9 Videos
  • APPENDICES -REVISION EXERCISE

    AAKASH SERIES|Exercise POLYMERS|44 Videos

Similar Questions

Explore conceptually related problems

Ethyl benzene with Br_(2) in the presence of FeBr_(3) gives

Ethyl benzene with Br_2 in the presence of FeBr_3 gives

Anisole reacts with Br_2 in the presence of CS_2 as solvent to give

When phenol is heated with ammonia in presence of ............. at 300^(@)C , it gives aniline

2- methyl butane on reacting with bromine in the presence of sunlight gives mainly:

when an primay aromatic amine is treated with NaNO_(2)+HCl at 0^(0)-5^(0)C , a diazonium salt is formed and the reaction is called diazo reaction. In this reaction mineral acid must be added to prevent the coupling reaction of diazonium salt with excess of aryl amine. Diazonium salt is highly useful in the synthesis of number of coloured dyes. When 2, 4-dinitroaniline react with NaNO_(2)+HCI at 5^(0)C followed by reaction with anisole, a coloured compound is formed which can be given as

The reaction of toulene with Cl_2 in presence of FeCl_3 gives predominently

when an primay aromatic amine is treated with NaNO_(2)+HCl at 0^(0)-5^(0)C , a diazonium salt is formed and the reaction is called diazo reaction. In this reaction mineral acid must be added to prevent the coupling reaction of diazonium salt with excess of aryl amine. Diazonium salt is highly useful in the synthesis of number of coloured dyes. In the given reaction

when an primay aromatic amine is treated with NaNO_(2)+HCl at 0^(0)-5^(0)C , a diazonium salt is formed and the reaction is called diazo reaction. In this reaction mineral acid must be added to prevent the coupling reaction of diazonium salt with excess of aryl amine. Diazonium salt is highly useful in the synthesis of number of coloured dyes. For the following diazonium ion the decreasing order of reactivity of these ion in azo-coupling rcaction

AAKASH SERIES-AMINES AND DIAZONIUM SLATS-PRACTICE EXERCISE
  1. The amine that does not form hydrogen bonds is

    Text Solution

    |

  2. The number of primary, secondary and tertiary amine isomers possible f...

    Text Solution

    |

  3. Aniline can be converted into Benzene by

    Text Solution

    |

  4. Benzene diazonium fluoro borate on heating to dryness yields

    Text Solution

    |

  5. Most reactive towards electrophillic substitution is

    Text Solution

    |

  6. Zwitter ion is formed by

    Text Solution

    |

  7. CH(3)CH(2)OH overset(x)rarr CH(3)COH. Out of the following three rea...

    Text Solution

    |

  8. C(6)H(5)NH(2)overset(NaNO(2)+HCl)underset(283K)rarr Products in the ...

    Text Solution

    |

  9. The hybridization of nitrogen atom in amines

    Text Solution

    |

  10. Which of the following is the correct decreasing order basicity ?

    Text Solution

    |

  11. One mole of an amine (A) consumes two moles of methyl bromide to give ...

    Text Solution

    |

  12. When an aliphatic organic compound was treated with in ice-cold condit...

    Text Solution

    |

  13. The correct increasing order of basicity of C(6)H(5)CH(2)NH(2)(A),(B) ...

    Text Solution

    |

  14. Secondary amines on oxidation with Caro's acid gives

    Text Solution

    |

  15. The boiling points of amines and their corresponding alcohols and acid...

    Text Solution

    |

  16. Carbylamine reaction can help us to test which of the following functi...

    Text Solution

    |

  17. Diazo coupling is useful to prepare

    Text Solution

    |

  18. The colour of p-aminoazobenzene is

    Text Solution

    |

  19. When primary amine is heated with CS(2) in the presence of excess of H...

    Text Solution

    |

  20. When phenol is heated with ammonia in presence of ............. at 300...

    Text Solution

    |