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In separation by fractional crystallisat...

In separation by fractional crystallisation method, crystallisation of which of the following compounds occurs first ?

A

compound hose melting point is highest

B

compound hose boiling point is highest

C

compound hose solubility is minium

D

compound hose molecular weight is miniumum

Text Solution

Verified by Experts

The correct Answer is:
C
In fractional crystallisation, the compound with minimum solubility crystallises first.
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AAKASH SERIES-PURIFICATION OF ORGANIC COMPOUNDS AND IUPAC NOMENCLATURE-PRACTICE SHEET (EXERCISE - I) LEVEL - II (ADVANCED)
  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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  19. Which of the following compounds may give blood red colouration while ...

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  20. Diethyl ether is mostly used in solvent extraction due to the followin...

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