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Answer key: Stereochemistry: E/Z and R/S

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Part A: draw the structure

  1. (E)-but-2-eneSkeletal structure of (E)-but-2-ene
  2. (Z)-but-2-eneSkeletal structure of (Z)-but-2-ene
  3. (E)-1,2-dichloroetheneSkeletal structure of (E)-1,2-dichloroethene
  4. (S)-2-hydroxypropanoic acidSkeletal structure of (S)-2-hydroxypropanoic acid
  5. (S)-butan-2-amineSkeletal structure of (S)-butan-2-amine
  6. (Z)-2-bromobut-2-eneSkeletal structure of (Z)-2-bromobut-2-ene
  7. (E)-3-methylpent-2-eneSkeletal structure of (E)-3-methylpent-2-ene
  8. (S)-2-aminopropanoic acidSkeletal structure of (S)-2-aminopropanoic acid
  9. cis-1,2-dimethylcyclohexaneSkeletal structure of cis-1,2-dimethylcyclohexane

Part B: name the structure

  1. Skeletal structure of (Z)-pent-2-ene(Z)-pent-2-ene
  2. Skeletal structure of (E)-pent-2-ene(E)-pent-2-ene
  3. Skeletal structure of (R)-butan-2-ol(R)-butan-2-ol
  4. Skeletal structure of (R)-2-chlorobutane(R)-2-chlorobutane
  5. Skeletal structure of (R)-3-methylhexane(R)-3-methylhexane
  6. Skeletal structure of (2R,3R)-butane-2,3-diol(2R,3R)-butane-2,3-diol
  7. Skeletal structure of (Z)-but-2-enoic acid(Z)-but-2-enoic acid
  8. Skeletal structure of (R)-1-phenylethan-1-ol(R)-1-phenylethan-1-ol
  9. Skeletal structure of (R)-3-methylcyclohexan-1-one(R)-3-methylcyclohexan-1-one

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