Đề kiểm tra 1 tiết số 3 môn Hóa – Khối 11 – học kì II
I. PHẦN TRẮC NGHIỆM: (3 điểm) (Khoanh tròn vào đáp án đúng ).
Câu 1: Anken X có công thức cấu tạo: CH3–CH¬2–C=CH–CH3. Tên của X là.
CH3
A. isohexan B. 3–metylpent–3–en C. 3–metylpent–2–en D. 2–etylbut–2–en
Câu 2: Hiđrocacbon X có công thức phân tử C5H12 khi cho tác dụng với clo tạo được một dẫn xuất monoclo duy nhất. Công thức cấu tạo của X là
A. CH3CH2CH2CH2CH3 B. CH3CH2CH(CH3)CH3
C. CH3CH2CH2CH3CH3 D. (CH3)4C
Câu 3: Đốt cháy một hỗn hợp gồm nhiều hiđrocacbon trong cùng một dãy đồng đẳng nếu ta thu được số mol H2O > số mol CO2 thì CTPT chung của dãy là.
A. CnHn, n ≥ 2. B. CnH2n+2, n ≥1
C. CnH2n-2, n≥ 2. D. Tất cả đều sai.
(các giá trị n đều nguyên).
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