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Describe the principle of estimation of ...

Describe the principle of estimation of halogens, sulphur and phosphorus present in an organic compound.

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For answer, consult section 12.50.
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Discuss the principle of estimation of halogens, sulphur and phosphorus present in an organic compound.

Which of the following statement is false. (1) Kjeldhal's method is used for estimation of N-element in organic compounds. (2) Carius method is used for Estimation of N-element. (3) Carius method is used for estimation of sulphur in organic compounds. (4)Phosphorous is present in organic compound is oxidized to H_3PO_4 then precipitated by magnesia mixture in form of Mg_2P_2_O_7 .

In Carius' method , sulphur present in an organic compound is estimated as

Differentiate between the principle of estimation of nitrogen in an organic compound by (i) Dumas method and (ii) Kjeldahl’s method.

DINESH PUBLICATION-ORGANIC CHEMISTRY - SOME BASIC PRINCIPLES & TECHNIOUES-N.C.E.R.T.
  1. Describe the chemistry of Lassaigne's tets.

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  2. Differentiate between the principle of estimation of nitrogen in an or...

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  3. Describe the principle of estimation of halogens, sulphur and phosphor...

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  4. Explain the principle of paper chromatography.

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  5. Why is acid added to sodium extract before adding silver nitrate for t...

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  6. Why is an organic compound fused with sodium for testing nitrogen, hal...

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  7. Name a suitable technique of the components from a mixture of calcium ...

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  8. An organic liquid vaporises at a temperature below its boiling point i...

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  9. Carbon tetrachloride does not give a white precipitate upon heating wi...

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  10. A solution of potassium hydroxide is used to absorb carbon evolved dur...

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  11. It is not advisable to use sulphuric acid in place of acetic acid for ...

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  12. An organic compound contains 69% carbon and 4.8 % hydrogen, the remain...

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  13. 0.50 g of an organic compound was kjeldahlished. The ammonia evolved w...

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  14. 0.3780 g of an organic compound gave 0.5740 g of silver chloride in Ca...

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  15. In an estimation of sulphur by Carius method, 0.468 of an organic sulp...

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  16. In the organic compound CH(2)=CH-CH(2)-CH(2)-C equiv CH, the CH-CH(2) ...

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  17. In the Lassaigne's test for nitrogen in an organic compound, the Press...

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  18. Which of the following carbocation is most stable?

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  19. The best and latest technique for isolation, purification and separati...

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  20. The following reaction is classified as : CH(3)CH(2)I+KOH(aq) rarr C...

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