Which of the following are chiral and capable of existing as enantiomers?
a.`1-3-` Dibromobutane
b. `1,2-`Dichloropropane
c. `1,5-` Dibromopentane
c. `3-` Ethylpentane
e. `2-`Chlorobicyclo `[1.1.0]` butane
f. `2-` Iodobicyclo `[2.2.2]` octane
g. `2-`Bromobicyclo `[2.1.1]` hexane
h.`5-` Bromobicyclo `[2.1.1]` hexane
