Question

3) (D) Which one of the following molecular orbitals will have the highest energy? 4) Choose how many "occupied MOS" can occur for the conjugated t-system of B-carotene and LED compounds? NH beta-carotene (a) 22 and 6 5) The diene LED material (b) 11 and 6 (c) 22 and 12 (d) 11 and 12 is not suitable for Diels-Alder [4+2) cycloaddition? 6) Which one of bicyclic isomers is appropriate for both Diels-Alder and 1,2-/1.4-additions? 7) Both 1.2- and 1,4-additions of HBr to conjugated diene, _provide an "identical product." 8) Which of the conjugatged dienes would provide two "non-identical products" toward 1.2- and 1,4-additions?

Answer 1

3 b

4 b

5 b

6 c

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CASSMATE Date & ff 2b oko dideede Pag No node V system I node & system two node 4 rode टिम्या (6) is the highest energy rolkalar orbital 4 B-carotene and LED hap 12 92 atomic atomic orbital orbitaal hoy hi mo i ť ß-caroteno =12 Bmo = 11 Amo = 74 Bmo are lystem in occupied by Il e f ß-carotene conjugated .. occupied mo in ß carlo teme = ls Also LED = 12 mo inď Bmo=6 Amo=6 6 Bimo are accubil I coniugated heterapied by be pain of

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