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The oxygen is estimated in the organic c...

The oxygen is estimated in the organic compound by

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Nitrogen is estimated in organic compounds by

In Kjeldahl's method, the nitrogen present in the organic compound is estimated as

In the Duma's method of estimation of the organic compound is finaly converted into

In the Duma's method of estimation of nitrogen,the nitrogen,the nitrogen in the organic compound is finally converted into

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

PRADEEP-ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES TECHNIQUES-Additional Questions (Very short Answer Questions)
  1. How will you purify a liquid having non-volatile impurities ?

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  2. How will you separate a mixture of urea and sodium chloride ?

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  3. How will you purify essential oils ?

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  4. How will you separate a mixture of o-nitrophenol and p-nitropheonol ?

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  5. Name two methods which can be safely used to purify aniline.

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  6. What type of compounds are purified by sublimation ?

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  7. How will you separate iodine from sodium chloride ?

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  8. How will you separate a mixture of two organic compounds which have di...

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  9. An organic liquid decomposes below its boiling point. How will you pur...

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  10. Define the term 'elution' as applied to column chromatography.

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  11. Will you get any precipitate if you add silver nitrate solution to chl...

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  12. Name two compounds which do not contain halogens but give positive Bei...

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  13. Why is freshly prepared saturated solution of ferrous sulphate used in...

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  14. Lassaigne's test is not shown by diazonium salts. Why ?

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  15. Write the molecular formula of iron (III) hexacyanoferrate (II).

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  16. What conclusion would you draw if during Lassaigne's test, a blood red...

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  17. What type of organic compounds cannot be Kjeldahlised ?

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  18. The oxygen is estimated in the organic compound by

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  19. Find out percentange of carbon in acetic acid.

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  20. Nitrogen is estimated in organic compounds by

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