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In Lassaigne's test the organic compound...

In Lassaigne's test the organic compound is fused with Na followed by extraction with distilled water. Which of the following is not possible fusion product?

A

NaNC

B

NaCN

C

`Na_(2)S`

D

NaCNS

Text Solution

Verified by Experts

The correct Answer is:
B, C, D
`Na + C + N to NaCN , 2Na+S to Na_(2)S, Na + x to Nax: Na + C + N +S to NaSCN`
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AAKASH SERIES-PRACTICAL CHEMISTRY-LEVEL -II (Lecture Sheet) (EXERCISE-I) (Single or more than one option correct)
  1. In Lassaigne's test, the organic compound is first fused with sodium m...

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  2. In Lassaigne's test the organic compound is fused with Na followed by ...

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  3. Lassaigne's test for the detection of nitrogen fails in

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  4. When excess of FeSO(4) is added to sodium extract the compound formed ...

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  5. Which of the following will give blood red colour with FeCl(3) in sodi...

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  6. Which of the following organic compounds will give white precipitate w...

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  7. Which of the following give positive test with bromine water and Baeye...

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  8. Which of the following compound(s) decolourises Bromine water and also...

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  9. Which of the following respond to litmus test?

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  10. Which of the following will not give positive Libermann's test?

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  11. Which of the following will evolve CO(2) on reaction with NaHCO(3) ?

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  12. Aldehydes and ketones canbe distinguished by using.

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  13. Which of the following will show positive azodye test ?

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  14. Which of these can be distinguished by adding HCl or Na(2)CO(3) ?

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  15. Which of the following reagents can be used to separate a mixture of a...

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  16. Ethanol and ethanal are distinguished by

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  17. Formic acid and acetic acid can be distinguished by

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  18. Methanoic acid and inethanal can be distinguished by

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  19. Which of the following will give brick red ppt. with Fehling's solutio...

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  20. Compound 'A' (C(10)H(12)O) evolves H(2) gas with Na metal. It reacts w...

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