Question

C) E1 D) E2 E) E1cb 24. Rank is first, slowest is last) the following compounds in order of increasing reacdtivity in an a veaion Br Br IV 2. In the molecular orbital representation of benzene, how many T molecular orbitals are present? A) 1 B) 2 C) 4 D) 6 E) 8 26. What is the major difference between an antiaromatic and aromatic compound? A) The structure must be cyclic for aromatic but not antiaromatic compounds. B) Antiaromatic compounds have at least one sp3 hybridized atom in the ring. c) Antiaromatic compounds can assume a chair-like structure while aromatic compounds are nearly flat D) Aromatic compounds cannot have a charged atom in the structure. E) Only aromatic compounds follow Huckle's rule.