Are the following esters, ethers or neither?

- Palmitic Acid
- Diethyl Ether
- Ethyl Hexanoate
- Methyl Benzoate
- 3 -methyl-2 - hexanol
- Cyclohexanone

- Palmitic Acid== acid

- Diethyl Ether==ether
- Ethyl Hexanoate==ester
- Methyl Benzoate==ester
- 3 -methyl-2 - hexanol==alcohol
- Cyclohexanone ==ketone