CHEM 2312 Midterm: CHEM 2312 GT Examp5iv
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You may use a small model kit on this exam: (32 points) circle the letter on the right which corresponds to the answer to each question. Ch3ch2 (ii) how many stereoisomers of 3-bromo-2-butanol, ch3ch(oh)chbrch3, exist? (iii) how much of the r enantiomer is present in 10 g of a mixture which has an enantiomeric excess of. Q. c4h12 (vi) how many double bonds or rings are present in a compound the molecular formula c7h10? (vii) which of the following is the most stable conformation of trans-1-ethyl-3-methylcyclohexane: 2, 0, 1, 3. Ch2ch3 (viii) what is the approximate dihedral angle between the two chlorine atoms in a chair conformation of. Ff (a) trans-1-chloro-2-butene (b) cis-1,2-dimethylcyclopropane: (16 points). Provide the structure of each of the following: (16 points) the specific rotation of (s)-2-butanol, [ ]d (c) the lowest energy chair conformation of trans-1-tert-butyl-3-methylcyclohexane.
