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6. (12, 4 each) Give the correct IUPAC names for the compounds having each of the following structures. Be sure to use the terms ortho, meta, and para when appropriate. a. b. c. Draw the structure of 3-chloro-4-phenyl-1-hexyne in the box. 7. (10, 2 each) From the following list of compounds, circle those which would be expected to exhibit aromaticity according to the Hckel rules. You may assume that all will be planar or nearly so