both 3 and 4 please

3. What would be the best name of the following compound? a. 3-methyl-4-oxohexane b. 2-butoxyethane c. 1-methy-1-ethoxypropane d. (1-ethyl)-diethylether e. 2-ethoxybutane 4. Ethers have lower boiling points than comparable alcohols because: a. they can complex with the metal magnesium. b. they do not contain a carbonyl group. c. the oxygen of the ether is sp2 hybridized. d. they are not able to hydrogen bond with themselves. e. they have more acidic protons than alcohols