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6. Compared with a conjugated diene, the UV-visible absorption spectrum of a conjugated triene will change in which way? A) the eat will increase and the will decrease B) the max will decrease and the will increase C) both the max and the will decrease D) both the max and the will increase 7. The conjugated diene, 1,3 -cyclohexadiene, has four -molecular orbitals. In order of increasing energy these are: 1,2,3 and 4. Which of these is the HOMO of the electronic ground state? A) 1 B) 2 C) 3 D) 4 8. Which of the following trienes will have the longest wavelength absorption in the ultraviolet? A B C D Arrange the following in decreasing of max : 1. Aniline, aniline HCl,p-nitro aniline 2. benzene, toluene, phenol