Chemistry - Hydrocarbon Question with Solution | TestHub

Benzene can be prepared by cyclization of long chain alkanes on heating at $500-550^{\circ }\mathrm{C}$ under high pressure in presence of catalyst ${\mathrm{Cr}}_2{\mathrm{O}}_3$ supported on alumina or $\mathrm{Pt}-{\mathrm{Al}}_2{\mathrm{O}}_3$ (i.e., catalytic reforming)