Question

which of the following structures is cyclopentane? 1st attempt choose one:

Explanation:

Cyclopentane has a cyclic structure with 5 carbon atoms (a pentagonal ring). Among the options, the second structure (the pentagon - shaped ring) matches the structure of cyclopentane. The first is a fused - ring or non - pentagonal cyclic structure, the third is a heptagon (7 - membered ring), the fourth is a hexagon (6 - membered ring, cyclohexane), and the fifth is an octagon (8 - membered ring).

Answer:

The second option (the pentagon - shaped cyclic structure)