Q.

Given below are two statements:                              [2026]

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

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 Both Statement I and Statement II are true  
2 Statement I is false but Statement II is true  
3 Both Statement I and Statement II are false  
4 Statement I is true but Statement II is false  

Ans.

(1)