Home
Class 11
CHEMISTRY
The Lassaigne's extract is boiled with c...

The Lassaigne's extract is boiled with conc. `HNO_(3)` while testing for halogens. By doing so it

A

decomposes `Na_(2)S` and NaCN, if formed

B

helps in the precipitation of AgCl

C

increases the solubility product of AgCl

D

increase the concentration of `NO_(3)^(-)` ions

Text Solution

Verified by Experts

The correct Answer is:
A
Conc. `HNO_(3)` decomposes `Na_(2)S` and NaCN, if formed.
Promotional Banner

Topper's Solved these Questions

  • ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES - PART III (PURIFICATION AND CHARACTERISATION OF ORGANIC COMPOUNDS)

    BRILLIANT PUBLICATION|Exercise LEVEL-II|40 Videos

  • ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES - PART III (PURIFICATION AND CHARACTERISATION OF ORGANIC COMPOUNDS)

    BRILLIANT PUBLICATION|Exercise LEVEL-II (ASSERTION-REASON TYPE)|15 Videos

  • ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES - PART II (ISOMERISM AND REACTION MECHANISM)

    BRILLIANT PUBLICATION|Exercise LEVEL-II (ASSERTION-REASON TYPE)|20 Videos

  • ORGANIC CHEMISTRY: BASIC PRINCIPLES - PART I (NOMENCLATURE)

    BRILLIANT PUBLICATION|Exercise LEVEL-II |41 Videos

Similar Questions

Explore conceptually related problems

When copper is heated with conc. HNO_3 it produces

When pentan-2-one is treated with conc. HNO_(3) at elevated temperature, the products obtained are

Nitration of aniline is an electrophilic substitution reaction. A student proposes that aniline reacts with conc.HNO_3 to form m - nitro-aniline. Do you agree with the student ? Justify.

BRILLIANT PUBLICATION-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES - PART III (PURIFICATION AND CHARACTERISATION OF ORGANIC COMPOUNDS) -LEVEL-II (ASSERTION-REASON TYPE)
  1. The Lassaigne's extract is boiled with conc. HNO(3) while testing for ...

    Text Solution

    |

  2. Assertion : Sulphur present in an organic compound can be estimated qu...

    Text Solution

    |

  3. Assertion : Simple distillation can help in separating a mixture of pr...

    Text Solution

    |

  4. Assertion : Oils are purified by steam distillation. Reason : The co...

    Text Solution

    |

  5. Assertion : NH(2)-oversetoverset(S)("||")(C)-NH(2) gives red colour in...

    Text Solution

    |

  6. Assertion : Lassaigne's tests is not shown by diazonium salts. Reaso...

    Text Solution

    |

  7. Assertion : In organic layer test, Cl(2) water is added to the sodium ...

    Text Solution

    |

  8. Assertion : Mixed melting point can be used to test the purity of an o...

    Text Solution

    |

  9. Assertion : Impure glycerine is purified by vacuum distillation. Rea...

    Text Solution

    |

  10. Assertion : Criteria of purity of an organic liquid is its boiling poi...

    Text Solution

    |

  11. Assertion : Glycerol is purified by distillation under reduced pressur...

    Text Solution

    |

  12. Assertion : Paper chromatography is a type of partition chromatography...

    Text Solution

    |

  13. Assertion : Components of a mixture of red and blue inks can be separa...

    Text Solution

    |

  14. Assertion : A mixture of o-nitrophenol and p-nitrophenol can be separa...

    Text Solution

    |

  15. Assertion : Ethanol and water mixture cannot be completely separated b...

    Text Solution

    |

  16. Assertion : Nitrogen cannot be estimated in nitrobenzene by Kjeldahl's...

    Text Solution

    |