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Unformatted text preview: other. 6) A _____________________ mixture contains exactly 50% of each R and S isomer. 7) Explain why an enzyme can be considered a chiral catalyst? 8) Name the following: 9) Draw (R)-alanine (the unnatural D-amino acid): 10) Now draw both enantiomers of methamphetamine. 11) Draw the racemic mixture (both enantiomers) that result upon hydrogenation of the following alkene with an achiral catalyst. 12) Indicate for the following pairs of compounds whether they are identical, constitutional isomers, or enantiomers. CH 2 CO 2 H H 3 C achiral Rh catalyst H 2 Br Cl H 3 C Br Cl H 3 C a) b) c) d) HO OH Cl Cl HO OH Cl Cl N CH 3 H Cl N H 3 C H Cl H 3 C OH NH 2 CH 3 HO NH 2...
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