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Identify the most stable conformer of gl...

Identify the most stable conformer of glycol.

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Gauche form of glycol is most stable. This is due to intramolecular hydrogen bonding
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Consider the following conformations of 3-Aminopropanal, amongst the given conformations (P, Q, R, S) one of them is most stable. The correct statements for the above is/are : (I) H-bonding is present in the most stable conformer (II) Gauche conformation is the most stable conformer (III) Anti conformation is the most stable conformer (IV) larger groups being separated by maximum distance in the conformer

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Which of the following is the most stable conformer of 1, 2, 4 -trimethyl cyclohexane

How many of the following statements are correct? 1) The most stable conformer of cis-1, 3-cyclohexanediol is chair form. 2) Cis- 1, 3- cyclohexanediol is more stable than trans -1, 3-cyclohexanediol. 3) In Cis 1, 3-cyclohexanediol both the OH groups occupy equitorial positions. 4) The most stable conformer of trans -1, 4-cyclohexanediol is chair form. 5) The most stable conformer of cis-1, 4-cyclohexanediol is boat conformer.

Stereoisomers, which can be interconverted simply by rotation about sigma bonds, are conformational isomers while those, which can be converted only by breaking and remaking of bonds and not simply by rotation, are called configurational isomers. The angle between C-C and C – H bonds on adjacent carbon atoms in any conformation is called dihedral angle. The cyclic compounds most commonly found in nature containing six membered rings can exist in a conformation that is almost completely free of strain. The most stable conformation of cyclohexane is chair form. According to Bayer strain theory, the greater deviation from the normal tetrahedral angle, greater is the angle strain or torsional strain and hence lesser is the stability of the cycloalkane. Which among the following conformation of cyclohexane is the most stable form ?

Stereoisomers, which can be interconverted simply by rotation about sigma bonds, are conformational isomers while those, which can be converted only by breaking and remaking of bonds and not simply by rotation, are called configurational isomers. The angle between C-C and C – H bonds on adjacent carbon atoms in any conformation is called dihedral angle. The cyclic compounds most commonly found in nature containing six membered rings can exist in a conformation that is almost completely free of strain. The most stable conformation of cyclohexane is chair form. According to Bayer strain theory, the greater deviation from the normal tetrahedral angle, greater is the angle strain or torsional strain and hence lesser is the stability of the cycloalkane. Dihedral angle in staggered (gauche) and eclipsed conformation are:

What are conformers?

The most stable carbonium ion is

AAKASH SERIES-ALCOHOLS, PHENOLS AND ETHERS-PROBLEM
  1. How many structural isomers exist with the formula C(4)H(10)O?

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  2. Identify the most stable conformer of glycol.

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  3. How many amyl alcohol structures are possible ?

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  4. Arrange the following set of compounds in order of their increasing bo...

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  5. Give IUPAC names of the following CH3 - undersetoverset(|)(Cl)(CH...

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  6. Give IUPAC names of the CH(3)-underset(CH(3))underset(|)CH-O-CH(2)CH(3...

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  7. Give IUPAC names of the following

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  8. How acetylene is converted to ethyl alcohol ?

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  9. How benzyl alcohol is obtained from benzyl chloride ?

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  10. How is n-propyl alcohol prepared from propene ?

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  11. Suggest a method for the conversion of CH(3)-CH(2)-NH(3) into ethyl al...

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  12. CH(3)-underset(CH(3))underset(|)CH-CH=CH(2)+H(2)O overset(H^(+))toX ...

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  13. How is methyl alcohol converted to ethyl alcohol?

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  14. Give the structures and IUPAC names of the products expected from the ...

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  15. Propane is treated with methyl magnesium bromide and them subjected to...

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  16. Show how are the following alcohols prepared by the reaction of a suit...

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  17. Write structures of the products of the following reactions : CH3 ...

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  18. Write structures of the products of the following reactions :

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  19. Write structures of the products of the following reactions : CH3 ...

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  20. tert-Butyl alcohol is much more soluble in water than n-butyl alcohol....

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