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Identify the incorrect statement among t...

Identify the incorrect statement among the following ?

A

Sublimation and crystallisation techniques are for purification of solid organic compounds

B

Chromatography technique works on different extents of adsorption of a substances on an adsorbent surface

C

Water (B.pt`100^@C`) and another miscible liquid Z(B.pt`105^@C` ) mixture can be separated by fractional distillation.

D

Phenol(B.pt`182^@C` ) and Aniline (B.pt`184^@C` ) mixture can be separated by simple distillation.

Text Solution

Verified by Experts

The correct Answer is:
D
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AAKASH SERIES-PURIFICATION OF ORGANIC COMPOUNDS AND IUPAC NOMENCLATURE-PRACTICE SHEET (EXERCISE - I (LEVEL - II (STRAIGHT OBJECTIVE TYPE QUESTIONS)))
  1. Which can be purified by crystalization?

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  2. In separation by fractional crystallisation method, crystallisation of...

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  3. Which of the following processes is most appropriate for the separatio...

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  4. Some organic compounds are purified by distillation at low pressure be...

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  5. Raw juice in sugar factories is generally concentrated by:

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  6. Turpentine oil can be purified by:

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  7. An organic compound X contains Y and Z impurities. Their solubilities ...

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  8. Absolute alcohol can be prepared from rectified spirit by

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  9. In Lassaigne.s test, the reason behind the usage of sodium metal is

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  10. 0.5 g of organic compound in Kjeldhal's method liberated ammonia, whic...

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  11. In Carius method of estimation of sulphur 0.466g of organic compound g...

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  12. An organic compound having C, H and S elements contains 4% sulphur. Th...

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  13. 0.96g chloroplatinate of a diacid base when ingnited gave 0.32 g plati...

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  14. Two organic compounds have same empirical formula but different molecu...

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  15. Identify the incorrect statement among the following ?

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  16. Sodium fusion extract of an organic compound gives blood red colour wi...

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  17. In sulphur estimation, 3.2 grams of an organic compound give 2.33 gram...

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  18. Number of positional isomers of the compound 2-Bromo Bicyclo [2,2,1] H...

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