The terms that best describe the relationship between ...

[sheilaspns]

The terms that best describe the relationship between (2R,3S)-2,3-butanediol and (2S,3S)-2,3-butanediol are
  A)
  configurational, diastereomers.
  B)
  conformational, enantiomers.
  C)
  conformational, diastereomers
  D)
  configurational, enantiomers.
  E)
  configurational, cis/trans.

Question 2

Which of the following would constitute a pair of enantiomers?
  A)
  staggered and eclipsed forms of ethane
  B)
  cis and trans-2-butene
  C)
  meso- and (2R,3R)-2,3-dibromobutane
  D)
  (2R,3R) and (2S,3S)-tartaric acid
  E)
  none of these

[flexer1n1]

Answer to Question 1

a

Answer to Question 2

d

[sheilaspns]

Excellent

[kalskdjl1212]

Thanks for the timely response, appreciate it