classify each of the following as a primary secondary or tertiary alcohol?

In the molecule of an alcohol, the carbon atom bonded to the -OH group is also bonded to the other n carbon atom(s).
• If n = 1, it is a primary (1°) alcohol.
• If n = 2, it is a secondary (2°) alcohol.
• If n = 3, it is a tertiary (3°) alcohol.

Refer to the diagram below. In each of the questions, n is shown by the bond(s) in red.

a. secondary (2°) alcohol
b. primary (1°) alcohol
c. primary (1°) alcohol
d. tertiary (3°) alcohol