Structural isomerism and E-Z isomerism Quiz
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5 questions, one answer each
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1. Which pair are position isomers?
- A. Butan-1-ol and butan-2-ol
- B. Butan-1-ol and ethoxyethane
- C. Pentane and 2-methylbutane
- D. But-2-ene and cyclobutane
2. Which alkene shows E-Z isomerism?
- A. Propene
- B. 2-Methylbut-2-ene
- C. Pent-2-ene
- D. Ethene
3. In which isomer of CHCl=CHBr are the two higher-priority groups on the same side?
- A. E
- B. Z
- C. Cis only
- D. Neither isomer
4. Which statement about restricted rotation is correct?
- A. The σ bond cannot rotate because it is ionic
- B. The π bond must break for the C=C bond to rotate
- C. C=C is longer so the atoms cannot rotate
- D. Hydrogen atoms block the rotation
5. Which statement about CH₃CH₂OH and CH₃OCH₃ is correct?
- A. They are chain isomers
- B. They are position isomers
- C. They are functional group isomers
- D. They are stereoisomers