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In the Lassaigne’s test for nitrogen in ...

In the Lassaigne’s test for nitrogen in an organic compound, the Prussian blue colour is obtained due to the formation of:
(a) `Na_(4)[Fe(CN)_(6)]` (b) `Fe_(4)[Fe(CN)_(6)]_(3)` (c) `Fe_(2)[Fe(CN)_(6)]` (d) `Fe_(3)[Fe(CN)_(6)]_(4)`

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`Fe_4 [Fe(CN)_6]_3`
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Explore conceptually related problems

K_(3)[Fe(CN)_(6)]+FeCl_(3) to Fe[Fe(CN)_(6)]darr

K_(4)[Fe(CN)_(6)]+ZnSO_(4) to Zn_(2)[Fe(CN)_(6)]darr

K_(4)[Fe(CN)_(6)]+2CuSO_(4)toCu_(2)[Fe(CN)_(6)]darr

K_(3)[Fe(CN)_(6)]+FeCl_(2) to Fe_(3)[Fe(CN)_(6)]_(2)darr

4KCN+Fe(CN)_(2)darr to K_(4)[Fe(CN)_(6)]

O.N of Fe in K_(4)[Fe(CN)_(6)] is

Fe(CN)_(2)darr+KCN to K_(3)Fe(CN)_(6)

Fe(CN)_(2)darr+4KCN to K_(4)[Fe(CN)_(6)]

Fe(CN)_(2)darr+4KCN to K_(4)[Fe(CN)_(6)]

3KCN+Fe(CN)_(3)darr to K_(3)[Fe(CN)_(6)]

ICSE-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES AND TECHNIQUES -VERY SHORT ANSWER TYPE QUESTIONS
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  2. What do you understand by Lassaigne solution ?

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  6. What is chloroform layer test?

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  10. What happens when the silver salt of a carboxylic acid is ignited ?

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  11. What type of electrons get displaced in (i) inductive effect (ii) ...

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  12. What type of groups produce + l-effect ?

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  15. What type of reaction intermediates are obtained when a covalent bond ...

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  16. What is meant by a 1^@ carbon atom ?

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  17. What is the state of hybridisation of the central carbon in a carbocat...

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  18. What is the state of hybridisation of the central carbon in a carbanio...

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  19. Sort out electrophiles and nucleophiles among the following: CH3 ove...

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  20. Write the general rate law for an S(N^2) reaction.

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