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In the Lassaigne's test for the detectio...

In the Lassaigne's test for the detection of nitrogen in an organic compound, the appearance of blue coloured compound is due to

A

`K_(3)[Fe(CN)_(6)]`

B

`K_(4)[Fe(CN)_(6)]`

C

`Fe(CN)_(6)`

D

`Fe[Fe(CN)_(6)]_(3)`

Text Solution

Verified by Experts

The correct Answer is:
D
Ferice ferrocyanide, `Fe_(4)[Fe(CN)_(6)]_(3)`
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  6. In Kjeldahl's method, nitrogen present is estimated as :

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  7. The percentate of sulphur in the organic, when 0.2595g of a sulphur co...

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  10. Lassaigne's test for the detection of nitrogen fails in

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  11. The compound that does not give a blue colour in Lassaigne's test is

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  12. The Lassaigne's extract is boiled with dil. HNO(3) before testing for ...

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  13. In Carius tube the compound ClCH(2)-COOH was heated with fuming HNO...

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  14. If 0.24 g of a volatile liquid upon vaporization gives 45 ml of vapour...

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  15. In sodium fusion test of roganilc compound, the nitrogen of a organic ...

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  16. Which of the following will give blood red colour with FeCl(5) in sodi...

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  17. Sulphide ions react with Na(2) [Fe(NO)(CN)(5)] to form a purple colour...

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  18. Which of the following will not give test for N in sodium extract?

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  19. Which of the following compounds, when heated with HNO(3) (conc), cool...

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  20. A substance was known by its mode of synthesis to contain 10 atoms of ...

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