WAEC Chemistry 2012 Objective — Question 40
Question 40 of 50 from the West African Examinations Council (WAEC) Chemistry 2012 Objective paper, with the correct answer and a full explanation.
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Geometric isomerism can exist in
- A. hex-3-eneCorrect
- B. hexane
- C. prop-1-ene
- D. 3-methyl but-1-ene
Explanation
Geometric (cis-trans) isomerism requires restricted rotation around a double bond with two different groups on each carbon of the double bond. Hex-3-ene satisfies this condition; the others do not.
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