Draw all the important resonance structures for the

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Draw all the important resonance structures for the following anion (meaning show every possible location of the anion). Show the electron flow by using arrows for full credit . ( 15 pts. ) N N arrows 1 pt. each e - 1/2 pt. each 1/2 pt. bonds 1/2 pt. each arrows 1 pt. each e - 1/2 pt. each 1/2 pt. bonds 1/2 pt. each arrows 1 pt. each e - 1/2 pt. each 1/2 pt. bonds 1/2 pt. each TOTAL: 2 5 5 3 N N 6
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19. Draw the Lewis Dot Structure of the following molecule under the condensed formula ( 4 pts. ). Show the molecular geometry around the central atom, hybridization, and approximate bond angles (choosing from 109.5 o , 120 o , or 180 o ) ( 1 pt./blank ). (Total of 10 pts.) Molecular Geometry around Central Atom bond angle hybridi- zation < ) CCF = ______ CNC = ______ ) < CH 3 NHCHO trigonal pyramidal trigonal planar sp 3 sp 2 109.5 o 120 o C H H N H H O H 20 . Draw the bond line structure of 2,2-dichloro-6,6-dimethylheptane in the space below: ( 4 pts. ): Cl Cl Label the Newman projection below with the most stable conformation for 2,2-dichloro-6,6-dimethylheptane looking down the C3-C4 bond (draw condensed or bond line structure) . Also draw the hydrogens on the Newman projection ! (6 points): H H H H Cl Cl } 2 pts. } 2 pts. } 2 pts. CODE NAME: 7
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