Summary
This section covers the nomenclature, isomerism, and conformational analysis of cycloalkanes. It explains the rules for naming substituted cyclic compounds, the concept of cis–trans stereoisomerism arising due to the restricted rotation in rings, and emphasizes the impact of various strains—angle, torsional, and steric—on the stability of these molecules. Special focus is given to the cyclohexane chair conformation, where the arrangement into axial and equatorial positions and the process of ring-flip play a vital role in determining reactivity and overall molecular stability in both simple and complex cyclic structures.