Home
Class 12
CHEMISTRY
In Lassaigne's test when both N and S a...

In Lassaigne's test when both N and S are present, blood red colour obtained is due to the formation of:

A

Ferric ferrocyanide

B

Ferric thiocyanate

C

Ferric cyanide

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • HALOALKANES AND HALOARENES

    MBD PUBLICATION|Exercise QUESTION BANK|637 Videos

  • HYDROGEN

    MBD PUBLICATION|Exercise QUESTION BANK|239 Videos

Similar Questions

Explore conceptually related problems

The red colour of beet root is due to:

In Lssaingne's test for nitrogen, the blue colour is due to the formation od:

For detection of sulphur in an arganic compound, sodium nitroprusside is added to the sodium extract. A violet colour is obtained due to the formation of:

In the Lassaigne's test the sulphur present in the organic compound first changes into?

In Lucas test of alcohols, appearance of cloudiness is due to formation of ………

In Lessaigne's test for N,S and halogens, the organic compound is:

MBD PUBLICATION-HYDROCARBONS-QUESTION BANK
  1. In Lssaingne's test for nitrogen, the blue colour is due to the format...

    Text Solution

    |

  2. There are several criteria of purity of organic compounds. Which is co...

    Text Solution

    |

  3. In Lassaigne's test when both N and S are present, blood red colour o...

    Text Solution

    |

  4. A mixture of camphor and benzoic acid can be separated by:

    Text Solution

    |

  5. In Kjeldahl's method of estimation of nitrogen,K2SO4 acts as:

    Text Solution

    |

  6. When petroleum is heated gradually, first batch of vapours evolved wil...

    Text Solution

    |

  7. For detection of sulphur in an arganic compound, sodium nitroprusside ...

    Text Solution

    |

  8. The organic compound which does not give blue colour in Lassaigne's te...

    Text Solution

    |

  9. Some organic compounds are purified by distillation at low pressure be...

    Text Solution

    |

  10. Raw juice in sugar factories is generally concentrated by:

    Text Solution

    |

  11. Which is useful for separating benzoic acid from methyl benzoate?

    Text Solution

    |

  12. Which of the following reagents is useful for separating aniline from ...

    Text Solution

    |

  13. Which of the following is purified by vacuum distillation?

    Text Solution

    |

  14. Turpentine oil can be purified by:

    Text Solution

    |

  15. To determine the weight of halogen in the organic compound, the compou...

    Text Solution

    |

  16. Halogens can be estimated by:

    Text Solution

    |

  17. The latest technique used for the purification of organic compounds co...

    Text Solution

    |

  18. The substance used as an adsorbent in the column choromatography is:

    Text Solution

    |

  19. Separation of organic compounds by column chromatography is due to:

    Text Solution

    |

  20. For a compound to be purified by steam distillation :

    Text Solution

    |