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NTA Abhyas JEE Main2020ChemistryGeneral Organic ChemistryPractice

Which one of the following statements regarding the population of different conformers butane-2, 3-diol is true?

Options

  1. AThe most populated conformer will have the hydroxyl groups of the gauche position.
  2. BThe most populated conformer will have the hydroxyl groups at the anti position.
  3. CAll staggered conformations will be equally populated.
  4. DRelative populations of different conformers is not predictable

Correct answer

A. The most populated conformer will have the hydroxyl groups of the gauche position.

Step-by-step solution

Intramolecular hydrogen bonding is possible in this conformation which makes is more stable than anti form.

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