I. (I point) Which statement regarding chirality is false? a) Enantiomers can ha

Question

I. (I point) Which statement regarding chirality is false? a) Enantiomers can have different physical properties, i.e. melting points and IR spectra. b) Enantiomers can have different physiological effects because the complexes between each of them and enzymes are diastereomers c) (+)- means the molecule rotates polarized light to the right. d) There is no direct connection between (R) and (+). 2. (1 point) Which is the best name for this molecule? Ci a. (E)-R-4-chlorohex-2-ene c. cis-S-1-methyl-3-chloropent-1-ene b. (Z)-S-4-chlorohex-2-ene d.(2)-S-3-chlorohex-4-ene 3. (I point) What set of reagents would not be suited to make the product alcohol? H2SO4 ONa OH OH OH Br+ H2O -Br+ NaOH 4. (1 point) What set of reagents would not be suited to give this alkene as the major product? CH3OH c (CH3)30 DMSO c (CHbO (CH3)3OH 5. (I point) What set of reagents would not be suited to give this ether as the major product? ÖCH3 Br CH3 Pt ÖCH3 H2SO OCH 6. (I points) Briefly describe how you could use IR to distinguish between these two isomers. OH OH

Explanation / Answer

ANSwer 1. a)

Two enantiomers have the same physical properties. ( but opposite optical rotations)

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