Home
Class 11
CHEMISTRY
The Prussian blue colour obtained during...

The Prussian blue colour obtained during the test of nitrogen by Lassaigne's test is due to the formation of:

A

`Fe[Fe(CN)_6]_3`

B

`Fe_2[Fe(CN)_6]`

C

`Fe_3[Fe(CN__6]_4`

D

`Na_4[Fe(CN)_6]`

Text Solution

Verified by Experts

The correct Answer is:
A
`Fe^(3)+[Fe(CN_6]^(4-)rarrFe_4[Fe(CN)_6]_3`
Promotional Banner

Topper's Solved these Questions

  • PURIFICATION OF ORGANIC COMPOUNDS AND QUALITATIVE AND QUANTITATIVE ANALYSIS

    CENGAGE CHEMISTRY|Exercise Assertion Reasoning Type|5 Videos

  • PURIFICATION OF ORGANIC COMPOUNDS AND QUALITATIVE AND QUANTITATIVE ANALYSIS

    CENGAGE CHEMISTRY|Exercise Multiple Correct Answers Type|10 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS AND GENERAL INORGANIC CHEMISTRY

    CENGAGE CHEMISTRY|Exercise Exercises (Archives )Subjective|4 Videos

  • REDOX REACTIONS

    CENGAGE CHEMISTRY|Exercise Archives (Integers)|1 Videos

Similar Questions

Explore conceptually related problems

The violet colour obtained during the test of sulphur by lassaigne's test is due to the formation of

The violet colour obtained during the test of sulphur by lassaigne's test is due to the formation of 1) \(Na_{2}[Fe(CN)_{5}S]\) 2) \(Na_{2}[Fe(CN)_{6}\)] 3) \(Na_{2}[Fe(CN)_{5}\)NO 4) \(Na_{4}[Fe(CN)_{5}NOS]\)

Yellow precipitate obtained during the test halogen by lassaign's test is due to the formation of

Qualitative analysis of organic compounds is performed by Lassaigne's test by fusion with metallic sodium, by which the covalent compounds are converted into ionic compounds. Extra elementsline N,S,P andhalogensaredetected by their usual tests. Q. Prussian blue colour in the detection of nitrogen in lassaigne's test in due to the fomation of:

CENGAGE CHEMISTRY-PURIFICATION OF ORGANIC COMPOUNDS AND QUALITATIVE AND QUANTITATIVE ANALYSIS-Single Correct Answer Type
  1. A compound (60 gm) on analysis gave C=24gm H=4gm and O=31gm, its empir...

    Text Solution

    |

  2. A compound contains C=40%,O=53.5%, and H=6.5% the empirical formula fo...

    Text Solution

    |

  3. A compound contains C=90% and H=10% Empirical formula of the compound ...

    Text Solution

    |

  4. The empirical formula of a compound is CH2O and its vapour density is ...

    Text Solution

    |

  5. The molecular mass of a compound having empirical formula C2H5O is 90....

    Text Solution

    |

  6. A compound contains 38.8%C,16%H, and 45.2%N The formula of the compoun...

    Text Solution

    |

  7. A compound containing 80% C and 20% H is likely to be:

    Text Solution

    |

  8. An organic compound on analysis gave C=42.8%, H=720%, andN=50^ volume ...

    Text Solution

    |

  9. 0.14 gm of an acid required 12.5 ml of 0.1 N NaOH for complete neutura...

    Text Solution

    |

  10. The empirical formula of anorganic compound is CH2.The mass of 1 mol o...

    Text Solution

    |

  11. Indulin contains 3.4% suplhur.The minimum molecular mass of insulin is...

    Text Solution

    |

  12. 0.24 gm of a volatile liquid upon vaporisation given 45 ml of vapours ...

    Text Solution

    |

  13. Liquid benzene (C6H6) burns in oxygen according to 2C6H6(1)+15O2(g)rar...

    Text Solution

    |

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

    Text Solution

    |

  15. The catalyst used in Kjeldahl's method for the entimation of nitrogen ...

    Text Solution

    |

  16. The concentration of C=85.45% and H=14.55% is not obeyed by the formul...

    Text Solution

    |

  17. The Prussian blue colour obtained during the test of nitrogen by Lassa...

    Text Solution

    |

  18. Which of the following sodium compound is/are formed when as organic c...

    Text Solution

    |

  19. In which of the following compounds, nitrogen cannot be tested by Lass...

    Text Solution

    |

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

    Text Solution

    |