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Polymerization Isomerism

The most stab...

Question

The most stable conformation of ethylene glycol and but-2-ene are _______ respectively.

A

anti and anti

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B

gauche and anti

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C

gauche and gaushe

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D

partially eclipsed and anti

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Solution

The correct option is B gauche and anti
Option (B) gauche and anti is the answer.
Gauche form of ethylene glycol.
(Refer to Image 1)
It is due to hydrogen bonding.
Anti form of but $- 2 -$ ene
(Refer to Image 2)

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Similar questions

Q. Which conformer of butane (about

C - 2

C - 3

) and ethylene glycol is the most stable respectively:

Q. Which of the following conformers for ethylene glycol is most stable?

Q. Increasing order of stability among the three main conformation (i.e. eclipse, anti, gauche) of ethylene glycol is?

H O - C H_{2} (3) - C H_{2} (2) - O | | C (1) - H

Which conformer of above compound is most stable?
(Consider conformers across

C_{2} - C_{3})

Q. Which of the following statements concerning conformations is/are true?
(1) Ethane has an infinite number of conformations
(2) The eclipsed conformation of a molecule is slightly more stable and energetically favoured than the staggered conformation
(3) A conformation is one specific geometry of a molecule

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