Which of the following statements correctly distinguish the structural nomenclature of bicyclo and s — IUPAC and Nomenclature Chemistry Question

💡 Solution & Explanation

Options A and B accurately define the nodes of bicyclo (2 shared carbons) and spiro (1 shared carbon) systems. Option C is true; a zero-carbon bridge means the bridgeheads are directly connected. Option D is false; spiro brackets contain only two numbers $[x.y]$.