See image — IUPAC and Nomenclature Chemistry Question

💡 Solution & Explanation

Step 1 - Identify the structural features: The molecule shown consists of two benzene (phenyl) rings connected by a single carbon (methylene, -CH2-) bridge. Step 2 - Apply IUPAC/common nomenclature concepts: When two phenyl groups are attached to a single carbon (methane), the compound is named diphenylmethane. The parent chain is methane (one carbon), and two phenyl substituents are attached to it, giving the name diphenylmethane. The molecular formula is C13H12. Step 3 - Confirm: The structure Ph-CH2-Ph has no additional substituents, no double bonds outside the aromatic rings, and no heteroatoms, perfectly matching diphenylmethane. No other name applies here — it is not benzophenone (which would have a C=O), not stilbene (which would have a C=C), and not fluorene (which would be a fused ring system). Therefore, the correct answer is Diphenylmethane.