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The separation of a racemic mixture into...

The separation of a racemic mixture into pure enantiomers is termed as :

A

Racemization

B

Isomerization

C

Resolution

D

Equilibration

Text Solution

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The correct Answer is:
C
Resolution.
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Structural isomers have different covalent linkage of atoms. Stereoisomers are compounds that have same sequence of covalent bonds but differ in the relative dispositions of their atoms in space. Geometri cal and optical isomers are the two important types of configurational isomers. The compound with double bonds or ring structure have restricted rotation, so exist in two geometrical forms. The double bonds in larger rings (ring size 10 carbon large) can also cause geometrical isomerism. The optical isomers rotate the plane of plane-polarised light. A sp^(3) -hybridised carbon atom bearing four different types of substituents is called an asymmetric centre or chiral centre. A chiral object or molecule cannot be superimposed on its mirror image. Stereoisomers that are mirror images of each other are called enantiomers. The stereosomers that the pot mirror images of each other are called diastereomers. Diasteremers have different physical properties. A racemic mixture is optically inactive and contains equal amounts of both the enantiomers. Resolution refers to method of separating a racemic mixture. Into two pure enantiomers. A meso compound is an optically inactive stereoisomer, which is achiral due to the presence of an internal plane of symmetry or centre of symmetry within the molecule. The number of chiral centres present in the following compounds is

Structural isomers have different covalent linkage of atoms. Stereoisomers are compounds that have same sequence of covalent bonds but differ in the relative dispositions of their atoms in space. Geometri cal and optical isomers are the two important types of configurational isomers. The compound with double bonds or ring structure have restricted rotation, so exist in two geometrical forms. The double bonds in larger rings (ring size 10 carbon large) can also cause geometrical isomerism. The optical isomers rotate the plane of plane-polarised light. A sp^(3) -hybridised carbon atom bearing four different types of substituents is called an asymmetric centre or chiral centre. A chiral object or molecule cannot be superimposed on its mirror image. Stereoisomers that are mirror images of each other are called enantiomers. The stereosomers that the pot mirror images of each other are called diastereomers. Diasteremers have different physical properties. A racemic mixture is optically inactive and contains equal amounts of both the enantiomers. Resolution refers to method of separating a racemic mixture. Into two pure enantiomers. A meso compound is an optically inactive stereoisomer, which is achiral due to the presence of an internal plane of symmetry or centre of symmetry within the molecule. The following two compounds are

Define Racemic mixture

What are Enantiomers ?

A racemic mixture has a net rotation

Pairs of enantiomers are :

Pairs of enantiomers are :

MS CHOUHAN-ISOMERISM (STRUCTURAL & STEREOISOMERISM)-LEVEL 2 (SUBJECTIVE PROBLEMS)
  1. The separation of a racemic mixture into pure enantiomers is termed as...

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  2. Number of chiral isomers are:

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  3. Number of stereoisomer are

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  4. Sum of number of stereoisomer (C) Degree of unsaturations in (D).

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  5. How many 5 membered parent chain alkane are possible for C7H16?

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  6. Theoretical possible geometrical isomer of

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  7. The number of structural isomers possible for C5H11Br is

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  8. Total number of plane of symmetry present in given compound is

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  9. Total number of isomers for C4H6Br2 containing cyclobutane ring are ( ...

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  10. Total number of structural isomers of C9H18 containing cyclohexane rin...

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

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  12. Write structures of different chain isomers of alkanes corresponding t...

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  13. (a) to (x) ( Number of plane of symmetry) (b) to (y) (Number of me...

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  14. Find out the total number of stereocentre in the given compound. CH3...

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  15. Write the name of the organic compound which have the following struct...

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  16. Find the total number of isomers of C7H14 (only 5-membered ring).

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  17. x = number of compounds which undergoes Tautomerisation to form an Aro...

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  18. If molecule is pyramidal, X stereoisomers are possible for : C(abcd)...

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