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Fractional crystallization is carried ou...

Fractional crystallization is carried out to separate

A

Organic solids mixed with inorganic solids

B

Organic solids highly soluble in water

C

Organic solids having small difference in their solubilities in a suitable solvent

D

Organic solids having great difference in their solubilities in a suitable solvent

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The correct Answer is:
C
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A mixture of carboxylic acids (X) and (Y) cannot be separated by normal methods however when this mixture is treated with optically active quinine give optically active salts (P) and (Q). These two salis can be separated by fractional crystallization, separated and acidified with HCl to form amines and carboxylic acids. (P) and (Q) are separated by fractional crystallization due to

A mixture of carboxylic acids (X) and (Y) cannot be separated by normal methods however when this mixture is treated with optically active quinine give optically active salts (P) and (Q). These two salis can be separated by fractional crystallization, separated and acidified with HCl to form amines and carboxylic acids. What is the diastereoisorner of (+) -tartaric acid ?

AAKASH SERIES-GENERAL ORGANIC CHEMISTRY-Practice Exercise
  1. In Kjeldahl's method, the nitrogen presence is estimated as

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  2. 29.5mg of an organic compound containing nitrogen was digested accordi...

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  3. Fractional crystallization is carried out to separate

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  4. Distillation under reduced pressure method is used to purify the liqui...

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  5. A liquid which decomposes at or below its boiling point can be purifie...

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  6. Which of the following can not be used as adsorbent in adsorption chro...

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  7. Which of the following statements is not correct regarding purificatio...

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  8. Which of the following respresents 2, 2, 3-trimethyl hexane?

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  9. The IUPAC name of (C(2)H(5))(4)C is

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  10. Write IUPAC name of chloral

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  11. The IUPAC name of the compound C(2)H(5) - underset(underset(CH(2))(||)...

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  12. The IUPAC name of the compound is CH(3) - CH(C(2)H(5)) - CH(2) -CH(OH)...

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  13. The IUPAC name of CH(3) - C -= C - CH (CH(3))(2) is

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  14. The IUPAC name of CH(3) - overset(overset(CH(3))(||))(CH) - overset(ov...

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  15. The correct IUPAC name of the compound Cl(3)C- CH(2)CHO

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  16. IUPAC name of CH(2) = C= CH(2) is

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  17. IUPAC name of CH(3) - underset(underset(CH(3))(|))overset(overset(CH(3...

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  18. The IUPAC name of CH(3) - CH(2) - underset(underset(CH(3))(|))(CH) - u...

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  19. The structural formula of 3-ethyl-2-methyl hexane is

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  20. The IUPAC name of (CH(3))(3) C- CH= CH(2) is

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