Functional groups of organic compounds

Question

Assignment:

In organic chemistry, a functional group is an atom or group of atoms that determines the compound's characteristics. For each of the following compounds: 1) give an acceptable name; 2) identify the functional group; and 3) and discuss general key chemical properties of the chemical that a fire, environmental, health or safety personnel should know.

a) CH₃CH₂ - O - CH₂CH₂CH₂CH₃

b) CH₃CH₂CH₂CH₂CH₂OH
I
CH₃

c) CH₃ - C - CH₂CH₂CHCH₃
II
O