Cho sơ đồ chuyển hóa sau:
Câu hỏi: Cho sơ đồ chuyển hóa sau:![](data:image/png;base64,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)
A. A2 là một điol.
B. A5 có CTCT là HOOCCOOH.
C. A4 là một điandehit.
D. A5 là một diaxit.
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG 2018 môn Hóa học- Chuyên Phan Ngọc Hiển- Cà Mau