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The violet colour in the Lassaigne's tes...

The violet colour in the Lassaigne's test of sulphur is due to

A

`FeCl_3`

B

`Na_2[Fe(CN)_6]`

C

`Na_4[Fe(CN)_5NOS]`

D

`Fe_4[Fe(CN)_6]_3`

Text Solution

Verified by Experts

The correct Answer is:
C
The violet colour in Lassaigne.s test for sulphur is due to presence of `Na_4[Fe(CN)_5NOS]`.
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OMEGA PUBLICATION-ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES-MULTIPLE CHOICE QUESTIONS
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  7. The word root 'oct' is for

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  8. Steam distillation is applied for the separation of those compounds wh...

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  9. The process of differential extraction is based upon

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  10. A substance which decomposes below its boiling point can be best puri...

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  11. In Duma's method, the gas which is collected in nitrometer is

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  13. General formula CnH(2n+1), OH is of

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  14. Which of the following compound will give blood red colour while doin...

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  15. The violet colour in the Lassaigne's test of sulphur is due to

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  16. In ethene (CH2=CH2) each C-atom undergoes

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  17. Which of the following compound contains aldehydic functional group ?

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  18. The IUPAC name of the compound CH2=CH-underset(CH3)underset(|)(CH)-C...

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