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Tutorial 2 1.) Draw the chemical structures based on the IUPAC names given below. 8 - bromo-4,6-dihydroxyoctanoic acid 2 - chloro- 6 - methylhept- 3 - yne

2.) Ethylene glycol is a molecule commonly used in anti-freeze solutions and its structure is shown below. Draw all the Newman projections between the two carbons of ethylene glycol and label each structure as either gauche, eclipsed, antiperiplanar, or fully eclipsed.

4.) Draw the chair conformations for the cyclic molecules shown below and the molecules after a chair flip. Using the numbering system shown below.