CHEM 2P20 Study Guide - Midterm Guide: Alkyne, Cyclohexane Conformation, Molecular Geometry
2 Mar 2020
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This test contains 12 pages and 8 questions. It is your responsibility to ensure that the test package is complete. It is your responsibility to ensure that your answers are legible. Answers written in pencil will not be remarked. Do not remove pages from the test package. H (b) provide the line-angle structure that corresponds to the most stable conformer using wedged and dash bonds where appropriate. Explain why the following molecule is not stable. An alkyne carbon is sp hybridized and thus would have a bond angle of 180 . A bond angle of 180 cannot fit into the ring structure which destabilizes the overall system. (3) Draw the most stable chair conformation corresponding to the following molecule: (3) Rank the following sets of molecules in terms of increasing acidity (1 = least acidic, 3 = most acidic). (a) [41] 5. (a) in the spaces below, provide the complete iupac names for the following compounds, including stereochemistry.
