Use the drop-down menus to select the correct name for each of the organic compounds.
ch3ch2ch2ch2ch2ch3
ch2chch2ch2ch2ch3
ch3ccch3
ch3ch(ch3)ch2ch2ch3
ch3ch2ch(ci)ch2ch3

Here's what I get  

Explanation:

CH₃CH₂CH₂CH₂CH₂CH₃ —  hexane

CH₂=CHCH₂CH₂CH₂CH₃ —  hex-1-ene is the preferred IUPAC name (PIN). 1-Hexene is accepted

CH₃C≡CCH₃ —  but-2-yne (PIN); 2-butyne is accepted

CH₃CH(CH₃)CH₂CH₂CH₃ — 2-methylpentane

CH₃CH₂CHCICH₂CH₃ — 3-chloropentane

personal, she chose to do it.

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be