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- Which (if any) lone pairs are participating in aromaticity?5. Which of the following molecules is aromatic or anti-aromatic? Support your claim with an MO diagram and checking the molecule against the rules of aromaticity. CHral compounds synthesized by flowers of the genus Chrysanthemum 15.81 Pyrethrins, such as jasmolin II (below), are a group of ne (known as pyrethrum flowers) to act as insecticides. (a) Circle and name the functional groups in jasmolin II. (b) What is the hybridization of the numbered carbons? (c) Which, if any, of the numbered carbons are chiral centers? CH3 CH2=CH-CH, 3. 4 CH-C-O-HC5 C-C-O-CH3 CH3-C H,C-C CH3
- Are each of the following molecules aromatic, antiaromatic or non-aromatic? A. I: aromatic, II: antiaromatic, III: aromatic, IV: non-aromatic, V: non-aromaticB. I: aromatic, II: antiaromatic, III: aromatic, IV: aromatic, V: non-aromaticC. I: aromatic, II: aromatic, III: antiaromatic, IV: non-aromatic, V: non-aromaticD. I: antiaromatic, II: aromatic, III: aromatic, IV: non-aromatic, V: antiaromaticE. I: antiaromatic, II: aromatic, III: non-aromatic, IV: non-aromatic, V: aromaticA4This structure is considered to have 'anti-aromatic character. Using the provided resonance structures, draw the curved electron-pushing arrows to show the interconversion between resonance hybrid contributors. Be sure to account for all bond-breaking and bond-making steps. Drawing Arrowes :0:
- Which of (a)-(d) is not aromatic? (B) (A) (C) (D)2. Are the following molecules aromatic, non-aromatic, or anti-aromatic? Provide the electron count and a brief explanation. (a) (b) (c) (d) (e) 'N' ČH3This structure is considered to have 'aromatic character'. Using the provided resonance structures, draw the curved electron-pushing arrows to show the interconversion between resonance hybrid contributors. Be sure to account for all bond-breaking and bond-making steps. 1 :0: O: Select to Add Arrows - 0:0
