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The latest technique used for purificati...

The latest technique used for purification of organic compounds is

A

Chromatography

B

Vacuum distillation

C

Fractional distillation

D

Crystallisation

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The correct Answer is:
A
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AAKASH SERIES-GENERAL ORGANIC CHEMISTRY-Objective Exercise -2
  1. The correct match is

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  2. The hybridisation of each carbon in the following compound is underset...

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  3. The latest technique used for purification of organic compounds is

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  4. The best method to separate the mixture of ortho and para nitrophenol ...

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  5. Anthracene is purified by

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  6. On adding FeCl(3) solution to acidified Lassaigne's solution, a blood ...

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  7. The correct match is

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  8. Sodium nitroprusside when added to an alkaline solution of sulphide io...

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  9. 0.12g of an organic compound gave 0.22 Mg(2)P(2)O(7) by the usual anal...

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  10. In Duma's method, the gas which is collected in Nitrometer is

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  11. The ammonia evolved by the treatment of 0.30 g of an organic compound ...

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  12. In Dumas method , 0.3 g of an organic compound gave 45 ml of nitrogen ...

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  13. How many structural isomers exist with the formula C(4)H(10)O?

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  14. The number of benzene isomers for C(8)H(10) ?

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  15. The number of structurally isomeric primary amines for C(4)H(11)N

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  16. Number of structural isomers which can be obtained theoretically on mo...

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  17. How many structural cyclic isomers of C(5)H(10) are possible?

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  18. Chain isomerism may be exhibited by

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  19. Number of possible structural isomers for C(3)H(6)O

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  20. Type of isomerism not possible with the molecular formula C(4)H(10)O i...

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