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If on adding FeCl(3) solution to acidifi...

If on adding `FeCl_(3)` solution to acidified Lassaigne solution ,a blood red colouraton is produced of

A

S

B

N

C

N and S

D

S and Cl

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The correct Answer is:
C
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If on adding FeCl_(3) solution to acidifies Lassaigne's solution a blood red coloration is produced, it indicates the presence of

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Assertion : During test for nitrogen with Lassaigne extract on adding FeCl_(3) solution sometimes a red precipitate is obtained. Reason : Sulphur is also present.

DINESH PUBLICATION-PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUND -Revision Q.F.Competitive exams
  1. In Carius tube the compound ClCH(2)-COOH was heated with fuming HNO...

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  2. In Duma's method,the gas which is collected in Nitromer is

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  3. If on adding FeCl(3) solution to acidified Lassaigne solution ,a blood...

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  4. If 0.32 g of an organic compound containing sulphur produces 0.233 g o...

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  5. 0.2 g of an organic compound on comptete combustion produces 0.18 g of...

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  7. Distillation is used to separate liquids which differ in their b.pt by

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  8. Impure glycerine is purified by

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  9. Absolute alcohol is prepared by

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  13. In Lassaigne's test for nitrogen,the blue colour is due to the formati...

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  14. Nitrogen in an organic compound can be estimated by

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  15. Distillation is used to separate liquids which differ in their boiling...

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  16. Which of the following organic compounds contains about 52 % carbon ?

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  17. The purity of an organic compound is determined by

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  18. During Lassaigne's test N and S present in an organic compound changes...

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  19. Which of the follom'ng technique is most suitable for purification of ...

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