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During Lassaigne's test N and S present ...

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

A

`Na_(2)S " and " NaCN`

B

NaSCN

C

`Na_(2)SO_(4) "and " NaCN `

D

`Na_(2)SO_(4) "and " Na_(2)S " and " NaCNO`

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A
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DINESH PUBLICATION-PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUND -Revision Q.F.Competitive exams
  1. Which of the following organic compounds contains about 52 % carbon ?

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  2. The purity of an organic compound is determined by

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

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

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  5. The best method to separate the mixture of ortho and para nitrophenol ...

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

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  7. Which one of the following is not used for the purification of solid i...

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  8. The compound that does not give a blue colour is Lassaigne's test is

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  9. Absolute alcohol is prepared by

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  10. If 0.24 g of a volatile liquid upon vaporization gives 45 ml of vapour...

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  11. An organic compound containing C,H and N gave the following analysis ...

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  12. Emprical formula of a hydrocarbon containing 80 % corbon and 20 % hydr...

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

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  14. A mixture contains four solid organic compounds containing A, B, C an...

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  15. In Kjedhal's method,, the nitrogen presence is estimed as

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  16. An organic compound with C =40 % and H= 6.7% will have the empirical f...

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  17. The equivalent wieght of an acid is equal to

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  18. A compound with empirical formula O(2) has a vapour density of 30.Its ...

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  19. The latest techique used for purification of organic compound is

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  20. Empricial formula of a hydrocarbon containing 80 % carbon and 20% hy...

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