401CHAPTER 16ETHERS, EPOXIDES, AND SULFIDESSOLUTIONS TO TEXT PROBLEMS16.1(b)Oxirane is the IUPAC name for ethylene oxide. A chloromethyl group (ClCH2@) is attachedto position 2 of the ring in 2-(chloromethyl)oxirane.This compound is more commonly known as epichlorohydrin.(c)Epoxides may be named by adding the preFx epoxyto the IUPAC name of a parent compound,specifying by number both atoms to which the oxygen is attached.16.21,2-Epoxybutane and tetrahydrofuran both have the molecular formula C4H8O—that is, they areconstitutional isomers—and so it is appropriate to compare their heats of combustion directly. Angle
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