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Login processing Chapter 4: Stereoisomerism. Chapter 1: Covalent Bonding and Structure. Chapter 2: Thermodynamics and Chemical Kinetics. Chapter 3: Alkanes and Cycloalkanes. Chapter 5: Acids and Bases. Chapter 7: Alkene Structure and Reactivity.
Chapter 8: Reactions of Alkenes. Chapter 9: Alkynes. Chapter Alcohols and Phenols. Chapter Ethers, Epoxides, Sulfides. Full Table of Contents. This is a sample clip. Sign in or start your free trial. Previous Video Next Video. Next Video 4. Embed Share. Please enter your institutional email to check if you have access to this content. Please create an account to get access. Forgot Password?
In an ether there are no hydrogen atoms connected to a highly electronegative neighbor, and so, unlike alcohols, ether molecules cannot hydrogen bond among themselves. Each C—O bond is polar, but the bonds are at approximately the tetrahedral angle. The polarity of one partially cancels the polarity of the other.
Consequently the forces between two ether molecules are not much greater than the London forces between alkane molecules of comparable size. All three molecules contain 26 electrons and are about the same size. In the table of the boiling points of comparable organic compounds we see this trend again, this time with compounds containing 32 or 34 electrons.
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