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The blood red colour in the combination ...

The blood red colour in the combination test of nitrogen and sulphur in organic compound is the to the formation of

A

Ferric thiocyanate

B

Ferric acetate

C

Ferrous sulpho cyanide

D

Ferric cyanide

Text Solution

Verified by Experts

The correct Answer is:
A
The black red colour in S.F.E test for N & S is due to the formation of `Fe(CNS)_(3)`
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AAKASH SERIES-PURIFICATION OF ORGANIC COMPOUNDS AND IUPAC NOMENCLATURE-LECTURE SHEET (EXERCISE - I) LEVEL - II (ADVANCED)
  1. Kjeldahl's method cannot be used for the estimation of nitrogen in

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  2. An organic compound containing carbon, hydrogen and nitrogen have the ...

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  3. The blood red colour in the combination test of nitrogen and sulphur i...

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  4. Nitrogen, sulphur and halogens are tested from the sodium fusion extra...

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  5. Which of the following compounds gives blood red colouration when its ...

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  6. An organic compound which produces a bluish green coloured flame on he...

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  7. Fractional crystallization is carried out to separate

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  8. When N and S both are present in an organic compound, the sodium fusio...

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  9. Two substances when separated on the basis of partition coefficient be...

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  10. Absolute alcohol can be prepared from rectified spirit by

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  11. The ammonia evolved by the treatment of 0.30 g of an organic compound ...

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  12. 28 mg of an organic compound containing nitrogen was digested accordin...

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  13. Benzene and aniline are liquids. Their mixture can be sepearated by

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  14. Which of the following methods are generally used for purification of ...

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  15. Which of the following are formed in the process of estimation of phos...

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  16. Kjeldahl's method cannot be used for the estimation of nitrogen in

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  17. Nitrogen, sulphur and halogens are tested from the sodium fusion extra...

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  18. Nitrogen, sulphur and halogens are tested from the sodium fusion extra...

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  19. Nitrogen, sulphur and halogens are tested from the sodium fusion extra...

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  20. Steam distillation is used to purify a compound which is steam volatil...

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