Home
Class 11
CHEMISTRY
In Lassaigne's test for the detection of...

In Lassaigne's test for the detection of halogen , the sodium fusion extract is first boiled with concentrated nitric acid . This is

A

to remove silver halides

B

to decompose `Na_(2)S` and `NaCN`, if present

C

to dissolve `Ag_(2)S`

D

to dissolve `AgCN`, if formed

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CHARACTERISATION OF ORGANIC COMPOUNDS

    OP TANDON|Exercise OBJECTIVE QUESTIONS Level-B|18 Videos

  • CHARACTERISATION OF ORGANIC COMPOUNDS

    OP TANDON|Exercise ASSERTION-REASON TYPE|12 Videos

  • CHARACTERISATION OF ORGANIC COMPOUNDS

    OP TANDON|Exercise NUMERICAL PROBLEMS|13 Videos

  • ATOMIC STRUCTURE

    OP TANDON|Exercise Integer Answer Type Questions|6 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    OP TANDON|Exercise SINGLE INTEGER ANSWER TYPE QUESTIONS|5 Videos

Similar Questions

Explore conceptually related problems

Lassaigne's test for the detection of N fails in :

Lassaigne's test for the detection of nitrogen fails in

Lassaigne's test is used for th detection of:

OP TANDON-CHARACTERISATION OF ORGANIC COMPOUNDS -OBJECTIVE QUESTIONS Level-A
  1. An organic compound on heating with CuO produces CO(2) but no water. I...

    Text Solution

    |

  2. Lassaigne's test (with silver nitrate) is commonly used to detect halo...

    Text Solution

    |

  3. In Lassaigne's test for the detection of halogen , the sodium fusion e...

    Text Solution

    |

  4. In Kjeldahl's method of estimation of N,CuSO(4) acts as

    Text Solution

    |

  5. In dumas method for the estimation of nitrogen in an organic compound,...

    Text Solution

    |

  6. An organic compound which produces a bluish green colored flame on hea...

    Text Solution

    |

  7. The hottest region of Bunsen flame shown in the figure below is:

    Text Solution

    |

  8. In the estimation of sulphur organic compound on treating with conc. H...

    Text Solution

    |

  9. Schiff's and Piria method is used for the estimation of:

    Text Solution

    |

  10. Prussian blue colour is obtained by mixing together aqueous solution o...

    Text Solution

    |

  11. The blood red colour in the combination test of nitrogen and sulphur i...

    Text Solution

    |

  12. The violet colour in the Lassaigne’s test of sulphur is due to

    Text Solution

    |

  13. At 300 K and 1 atm, 15 mL of a gaseous hydrocarbon requires 375 mL air...

    Text Solution

    |

  14. Mark the incorrect statement in nitrogen Kjeldhal's method of estimati...

    Text Solution

    |

  15. In the estimation of carbon and hydrogen, if the substance also contai...

    Text Solution

    |

  16. In the estimation of carbon and hydrogen, if the substance also contai...

    Text Solution

    |

  17. In Duma's method for estimation of nitrogen. 0.25 g of an organic comp...

    Text Solution

    |

  18. 0.30g of an organic compound containing C, H, and O an combustion yiel...

    Text Solution

    |

  19. In Carius method of estimation of halogens 250 mg of an organic compou...

    Text Solution

    |

  20. In Dumas' method of estimation of nitrogen 0.35 g of an organic compou...

    Text Solution

    |