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NTA Abhyas JEE Main2020ChemistryGeneral Organic ChemistryPractice

For the following confirmation of n-butane the decreasing order of stability can be given as

Options

  1. A3, 1, 2, 4
  2. B3, 2, 1, 4
  3. C4, 1, 2, 3
  4. D3, 4, 2, 1

Correct answer

B. 3, 2, 1, 4

Step-by-step solution

Out of these conformations of n- butane the conformation (3) that is ‘Anti’ is the most stable one as in it same atoms or groups are present at maximum distance (opposite or at 180 o ). The stability order can be given as follows

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