Question

OH

CH3-CH=C-CH-CH3

CH3

The OH is a single bond connected to the third Carbon and The CH3 is a single bond connected to the 4 Carbon HOW would name that?

Answer 1

I would name it as
3-hydroxy-4-methyl-2-pentene

Answer 2

OH CH4 CH2 CH CH CH CH3 CH3
CH5 CH4 CH5 CH4 CH CH CH 5 CH5
CH1 CH3 CH2 CH2 CH2 CH3 CH3 CH2
CH5 CH5 CH5 CH4 CH5 CH5 CH4 CH5