Hydrocarbons - Result Question 6
####6. In the following the most stable conformation of $n$-butane is:
[2010] (a)
(d)
(b)
Show Answer
Solution:
- (b) The bulky methyl groups are maximum away from each other.
Eclipsed conformation is the highest energy conformation because of unfavorable interactions between the electrons in the front and back $C-H$ bonds. The energy of eclipsed conformation is approx. $3 kcal / mol$ higher than stagged conformation.
