Which of the following are chiral and capable of existing as enantiomers?
a. 1,3-Dibromobutane
b. 1,2-Dichlorobutane
c. 1,5-Dibromopentane
d. 3-Ethylpentane
e. 2-Chlorobicyclo [1.1.0]butane
f. 2- Iodobicyclo [3.3.0]octane
g. 2-Bromobicyclo [2.1.1]hexane
h. 5-Bromobicyclo [2.1.1]hexane