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The best and latest technique for isolat...

The best and latest technique for isolation, purification and separation of organic compounds is

A

crystallisation

B

distillation

C

sublimation

D

chromatography

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**Step-by-Step Text Solution:** 1. **Understanding the Question**: The question asks for the best and latest technique for the isolation, purification, and separation of organic compounds. 2. **Identifying the Technique**: The answer to the question is chromatography. This technique is widely recognized for its effectiveness in separating and purifying organic compounds. 3. **Defining Chromatography**: The term "chromatography" comes from the Greek word "chroma," which means color. It is a method used to separate mixtures based on the different affinities of compounds towards a stationary phase and a mobile phase. ...
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ICSE-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES AND TECHNIQUES -NCERT TEXT-BOOK EXERCISES (WITH HINTS AND SOLUTIONS )
  1. Discuss the chemistry of Lassaigne’s test.

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

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  3. Discuss the principle of estimation of halogens, sulphur and phosphoru...

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  4. Explain the principle of paper chromatography.

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  5. Why is nitric acid added to sodium extract before adding silver nitrat...

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  6. Explain the reason for the fusion of an organic compound with metallic...

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  7. Name a suitable technique of separation of the components from a mixtu...

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  8. Explain, why an organic liquid vaporises at a temperature below its bo...

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  9. Will "CC"l(4) give white precipitate of AgCl on heating it with silver...

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  10. Why is a solution of potassium hydroxide used to absorb carbon dioxide...

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  11. Why is it necessary to use acetic acid and not sulphuric acid for acid...

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

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  13. A sample of 0.50 g of an organic compound was treated according to Kje...

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  14. 0.3780 g of an organic chloro compound gave 0.5740 g of silver chlorid...

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  15. In the estimation of sulphur by Carius method, 0.468 g of an organic s...

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  16. In the organic compound CH(2) = CH – CH(2) – CH(2) – C equivCH, the pa...

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  17. In the Lassaigne’s test for nitrogen in an organic compound, the Pruss...

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  18. Which of the following carbocation is most stable ? (a) (CH(3))(3)C....

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

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  20. The reaction : CH3 CH2 l + KOH(aq) to CH3 CH2 OH +Kl is classifi...

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