Which of the following is not true regarding the conjugation of 1,3 butadiene ( ) All atoms are sp2 hybridized The C-C single bond is shorter than a single bond found in butane It is more stable than 1-butene Electron density is shared throughout the molecule All of the above are true

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound