Ethers and Epoxides

15 Points Per Correct Answer - No time limit  

1. Are ethers and esters the same thing? Yes No

2. What is the name given to the ether with the chemical formula CH3CH2-O-CH2CH3? All of these Ethyl ether Ethoxyethane Diethyl ether

3. Can ether molecules form hydrogen bonding among themselves? Yes No

4. Which of the following properties makes ether a more preferable solvent than alcohol? Lower boiling point Higher boiling point Higher density Lower density

5. Can ethers dissolve both polar and non-polar compounds? Yes No

6. The Williamson ether synthesis is one of several ways to synthesize ethers. What type of mechanism is involved in this synthesis? SN2 (Nucleophilic bimolecular substitution) E1 (Unimolecular elimination) SN1(Nucleophilic unimolecular substitution) E2 (Bimolecular elimination)

7. An epoxide is a cyclic ether with 3 atoms on its ring (2 carbons and 1 oxygen). What is the alternative name for epoxides? Oxetanes Oxiranes Oxolanes Oxanes

8. We can react alkene with acid to produce epoxides. Which of the following acids is suitable for this purpose? Hydrochloric acid, HCl Sulfuric acid, H2SO4 Acetic acid, CH3COOH Meta-chloroperoxybenzoic acid (MCPBA)

9. Epoxides can react under both acidic and basic conditions. True False

10. Between a straight-chain ether and a cyclic ether (such as epoxide), which one is more reactive? Answer: (Straight-chain or cyclic?)