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For which of the following compounds wil...

For which of the following compounds will Lassaigne's test for nitrogen fail ?

A

`NH_(2)CONH_(2)`

B

`CH_(3)CONH_(2)`

C

`NH_(2)NH_(2)`

D

`C_(6)H_(5)NH_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
`NH_(2)NH_(2)` (hydrazine) does not respond to Lassaigne's test.
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DINESH PUBLICATION-ORGANIC CHEMISTRY - SOME BASIC PRINCIPLES & TECHNIOUES-PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUNDS
  1. Which process is suitable for the purification of aniline ?

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  2. In the Lassaigne's test for the detection of sulphur, the purple colou...

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  3. For which of the following compounds will Lassaigne's test for nitroge...

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  4. The most satisfactory method to separate mixture of sugars is :

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  5. Lassaigne's extract is botted with dilute HNO(3) before testing for ha...

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  6. The purity of an organic solid is determined by :

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  7. Absolute alcohol is prepared by :

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  8. 0.32 g of an organic compound gave 0.233 g of BaSO(4). Determine the p...

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  9. Which is not used to purify organic solids ?

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  10. Chloroform and benzene form a pair of miscible liquids. These can be s...

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  11. During Lassaigne's test S and N present in an organic compound change ...

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  12. The best method to separate a mixture of ortho and para nitrophenol (1...

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  13. Nitrogen in an organic compound can be estimated by :

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  14. If 0.2 g of an organic compound containing carbon, hydrogen and oxygen...

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  15. A mixture contains four solid organic compounds A, B, C and D. Only he...

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  16. Molecular mass of a volatile substance is determined by :

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  17. The Beilstein test is used in organic compounds for :

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  18. The best solvent to remove butter stain from cloth is :

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  19. Which of the following statement is wrong ?

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  20. The ammonia evolved from the treatment of 0.30 g of an organic compoun...

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