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In Lassaigne's test for nitrogen the blu...

In Lassaigne's test for nitrogen the blue colur is due to the formation of

A

Sodium cyanide

B

Sodium ferrocyanide

C

Ferric Ferrocyanide

D

Potassium ferrocyanide

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-GENERAL ORGANIC CHEMISTRY-Objective Exercise -1
  1. In Lassaigne's test, the organic compound is fused with sodium metal a...

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  2. In detection of CO(2), lime water turns milky due to formation of

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  3. In Lassaigne's test for nitrogen the blue colur is due to the formatio...

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  4. Lassaigne's test gives a violet colouration with sodium nitroprusside,...

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  5. Carbon and Hydrogen are estimated by

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  6. 0.4 g of an organic compound gave 0.188g of silver bromide by a haloge...

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  7. Match the reagents used for the detection of elements in organic compo...

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  8. In Kjeldahl's method, nitrogen present in the organic compond is first...

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  9. 0.302 g of organic compound gave 0.268g of silver bromide. The % of br...

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  10. The molecular formula of an organic compound is C(4)H(9)N. The volume ...

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  11. If 0.75 g of an organic compound in Kjeldahl's method neutralized 30 m...

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  12. 0.32g of an organic compound containing sulphur produces 0.233g of BaS...

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  13. In organic quantitative analysis, CuO acts as

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  14. In the Duma's method for the estimation of nitrogen in an organic comp...

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  15. In organic compounds, phosphorus is estimated as:

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  16. 0.28g of an organic compound in Dumas method liberated 22.4 ml of nitr...

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  17. In the Duma's method for the estimation of nitrogen in an organic comp...

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  18. The number of chain isomers for C(5)H(12) is

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  19. Number of possible position isomers for dichlorobenzene is

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  20. 2-Methyl butane and dimethyl propane are

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