[" An alkane "C_(6)H_(14)" gives two monochloro derivatives "],[" on chlorination.Its possible structure is "]

Which of the following alkanes gives two monochloro derivatives?

An alkane with the molecular formula C_(6)H_(14) forms only three monochloro derivatives on chlorination. The name of the alkane is

Compound A C_(6)H_(12) forms two monochloro isomers on photochemical chlorination. Its structure can be :

How many monochloro derivatives are possible for