The most stable conformation of 2-chloroethanol or Ethylene chlorohydrin is skew or gauche form.
The most stable conformation of Propane is eclipsed.
The most stable conformation of Butane is anti
The most stable conformation of Ethane is staggered
The most stable conformation of Glycol is skew or gauche form.
The most stable conformation of Ethanal is eclipsed.