Mark the hydrogen atoms as primary (1°), secondary (2°), or tertiary (3°) in the following structures.

a. Cyclobutane
b. 2,3-Dimethylbutane

Cyclobutane structure with hydrogen atoms marked as primary (1°).

2,3-Dimethylbutane structure with hydrogen atoms marked as secondary (2°) and tertiary (3°).

Cyclobutane structure with hydrogen atoms marked as secondary (2°).

2,3-Dimethylbutane structure with hydrogen atoms marked as tertiary (3°) and primary (1°).

Mark the hydrogen atoms as primary (1°), secondary (2°), or tertiary (3°) in the following structures.a. Cyclobutaneb. 2,3-Dimethylbutane