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Which of the following statements is wro...

Which of the following statements is wrong?

A

Using Lassaigne's test nitrogen and sulphur present in an organic compound can be tested

B

Using Beilstein's test the presence of halogen in a compound can betested

C

In Lassaign's filtrate, the nitrogen present in the organic compound is converted into `NaCN`

D

In the estimation of carbon, an organic compound is heated `CaO` in a combustion tube

Text Solution

Verified by Experts

The correct Answer is:
D
Estimation of carbond, an organic compound is heated with dry opric oxide `(CuO)` not a `CaO`.
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A2Z-CLASSIFICTION, PURIFICATION AND NOMENCLATURE OF ORGANIC COMPOUNDS-Purification Of Organic Compounds
  1. In the qualitative analysis of nitrate a brown ring is formed due to t...

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  2. The Lassaigne's extract is boiled with dil. HNO(3) before testing for ...

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  3. Which of the following statements is wrong?

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  4. The presence of halogen, in an organic compounds, is detected by

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  5. 2 g of an organic nitrogen-containing compound, on heating, decompose...

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  6. 0.5g of an organic compound on Kjeldahl's analysis gave enough ammonia...

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  7. In an experiment 0.22g of magnesium pyrophosphate was produced from 0....

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  8. 116 mg of a compound on vaporisation in a Victor - Meyer's apparatus d...

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  9. Two elemets X( atomic weight =75) and Y( atomic weight =16) combine to...

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  10. 64g of an organic compound contains 24 g of carbon, 8gm of hydrogen ...

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  11. In Duma's method for determining the nitrogen content of an organic co...

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  12. In Kjeldahl's method of estimation of N,CuDO(4) acts as

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  13. An organic compound on analysis gave C=48 g,H=8g and N=56 g. Volume o...

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  14. The simplest forumula of a compound containing 50% of element X( at w...

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  15. In Carius method, 0.099 g organic compound gave 0.287 g AgCl. The per...

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  16. How much sulphur is present in organic compound if on analysis 0.53 g ...

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  17. Kjeldahl's method is used in the estimation of

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  18. 0.24 gof an organic compound gave 0.22 g O(2) on complete combustion. ...

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  19. If a compound on analysis was found to contain C=18.5%, h=1.55%,Cl=55....

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  20. An organic compound containes C=74.0%, H=8.65% and N=17.3%. Its empiri...

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