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Stereoisomers Knowledge-Based Practice

Chemistry · Organic Chemistry · Chemistry · Hydrocarbons

5 Chemistry practice questions on Stereoisomers. Questions that assess core concepts and understanding.

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Questions

  1. 1.

    How many total stereoisomers exist for the alkene hydrocarbon 2,4-hexadiene?

    • A) 3
    • B) 4
    • C) 2
    • D) 6
  2. 2.

    Which of the following pairs of hydrocarbons represents a pair of diastereomers?

    • A) cis-1,2-Dimethylcyclopropane and trans-1,2-dimethylcyclopropane
    • B) (3R)-3-Methylhexane and (3S)-3-methylhexane
    • C) But-1-ene and but-2-ene
    • D) Cyclohexane and methylcyclopentane
  3. 3.

    Which of the following hydrocarbons contains stereocenters but is optically inactive as a meso stereoisomer due to an internal plane of symmetry?

    • A) trans-1,2-dimethylcyclopropane
    • B) trans-1,2-dimethylcyclopentane
    • C) trans-1,3-dimethylcyclopentane
    • D) cis-1,2-dimethylcyclopropane
  4. 4.

    Which of the following hydrocarbons contains a chiral carbon atom and can therefore exist as a pair of enantiomeric stereoisomers?

    • A) 3-Methylhexane
    • B) 2-Methylhexane
    • C) 3-Ethylpentane
    • D) 2,4-Dimethylpentane
  5. 5.

    Which of the following hydrocarbons can exist as a pair of cis-trans stereoisomers?

    • A) 2-pentene
    • B) 1-pentene
    • C) 2-methyl-2-butene
    • D) 2-methylpropene

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