WAEC Chemistry 2018 Objective — Question 2
Question 2 of 50 from the West African Examinations Council (WAEC) Chemistry 2018 Objective paper, with the correct answer and a full explanation.
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Which of the following organic compounds can undergo both addition and substitution reactions?
- A. Pentane
- B. BenzeneCorrect
- C. Propane
- D. Hexane
Explanation
Benzene, despite its ring stability, can undergo both substitution (its typical reaction) and addition reactions under certain conditions; the alkanes (pentane, propane, hexane) are saturated and can only undergo substitution.
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