Select the correct answer. the compound 1-butene is modeled here. a bond line structure of a compound having a structure as follows (h) c (h) double bond c (h) single bond c (h) 2 single bond c h 3. what would need to happen for molecules of this compound to transform into polybutene? a. covalent bonds would need to form between the molecules. b. each molecule would need to gain at least one oxygen atom. c. more double bonds would need to form in each molecule. d. hydrogen atoms would need to be transferred between molecules.