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Increasing order of stability among the three main conformation (i.e. eclipse, anti, gauche) of ethylene glycol is:
  • a)
    Eclipse, gauche, anti
  • b)
    Gauche, eclipse, anti
  • c)
    Eclipse, anti, gauche
  • d)
    Anti, gauche, elipse
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Increasing order of stability among the three main conformation (i.e. ...
In the anti conformation the atoms are far apart ergo causing minimum repulsion whereas the opposite is true for eclipsed conformation. Gauche is in an in between stage.
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Increasing order of stability among the three main conformation (i.e. ...


Order of Stability among the Three Main Conformations of Ethylene Glycol:

Eclipse, Gauche, Anti

Explanation:

Eclipse Conformation:
- In the eclipse conformation of ethylene glycol, the two hydroxyl groups are placed in a completely overlapping position.
- This results in high steric hindrance and instability due to the repulsion between the electron clouds of the oxygen atoms.

Gauche Conformation:
- In the gauche conformation, the two hydroxyl groups are rotated approximately 60 degrees apart.
- This reduces steric hindrance compared to the eclipse conformation, making it more stable.

Anti Conformation:
- In the anti conformation, the two hydroxyl groups are placed opposite to each other.
- This conformation has the lowest steric hindrance among the three and is the most stable.

Therefore, the increasing order of stability among the three main conformations of ethylene glycol is Eclipse < gauche="" />< anti.="" />
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Increasing order of stability among the three main conformation (i.e. eclipse, anti, gauche) of ethylene glycol is:a)Eclipse, gauche, antib)Gauche, eclipse, antic)Eclipse, anti, gauched)Anti, gauche, elipseCorrect answer is option 'A'. Can you explain this answer?
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