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ChemistryJEE Main 24 Jan 2026, Shift 2·Q20·MCQ·Easy–moderate

Hydrocarbons · Conformations of n-butane

Given below are two statements :

Statement I : There are several conformers for n-butane. Out of those conformers,

is the least stable and most stable conformer is

Statement II : As the dihedral angle increases, torsional strain decreases from (X) to (Y).

In the light of the above statements, choose the correct answer from the options given below :

  1. (1)Both Statement I and Statement II are false
  2. (2)Statement I is false but Statement II is true
  3. (3)Statement I is true but Statement II is false
  4. (4)Both Statement I and Statement II are true

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See the full 24 Jan 2026, Shift 2 paper