QuestionSynthesis / aromatic substitution sequence
Which one of the following is the correct sequence of events for the preparation of ethyl 2,4-dinitrophenyl ether?
- (a) Benzene → HNO₃/H₂SO₄ → Br₂/FeBr₃ → NaOEt
- (b) Benzene → Cl₂/FeCl₃ → HNO₃/H₂SO₄ → NaOEt
- (c) Benzene → Cl₂/FeCl₃ → NaOEt → HNO₃/H₂SO₄
- (d) Benzene → aq. NaOH → CH₃CH₂Br → HNO₃/H₂SO₄
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