1. Provide a skeletal (line-angle structure) that corresponds to the following names. A. (R)-3-methyl-2-heptanone B. 5,6-dimethyl-1 -cyclohexenecarbaldehyde C. 2-sec-butyl-3-cyclopentenone 2. Provide an acceptable name for the following structures. 11. Synthesis. Provide a synthetic scheme for the production of the following organic molecules from benzene. You may use any inorganic reagents and organic reagents containing 2 or fewer C atoms. 12. Synthesis. Provide a synthetic scheme for the production of the following organic molecules from benzene. You may use any inorganic reagents and organic reagents containing 2 or fewer C atoms. 13. Identify the product of the following reaction sequence.