Clo hóa ankan trong điều kiện khó khăn năm 2024

www.twitter.com/daykemquynhon www.google.com/+DạyKèmQuyNhơn www.facebook.com/daykem.quynhon www.daykemquynhon.blogspot.com Các dạng bài của phản ứng cộng hiđrocacbon www.daykemquynhon.ucoz.com Câu 1: Áp dụng quy tắc Maccopnhicop vào trường hợp nào sau đây ? A. Phản ứng cộng của Br 2 với anken đối xứng. B. Phản ứng cộng của HX vào anken đối xứng. C. Phản ứng trùng hợp của anken. D. Phản ứng cộng của HX vào anken bất đối xứng. Câu 2: Khi cho but-1-en tác dụng với dung dịch HBr, theo qui tắc Maccopnhicop sản phẩm nào sau đây là sản phẩm chính ? A. CH 3 -CH 2 -CHBr-CH 2 Br. B. CH 2 Br-CH 2 -CH 2 -CH 2 Br . C. CH 3 -CH 2 -CHBr-CH 3 . D. CH 3 -CH 2 -CH 2 -CH 2 Br. Câu 3: Cho phản ứng giữa buta-1,3-đien và HBr ở 40 o C (tỉ lệ mol 1:1), sản phẩm chính của phản ứng là A. CH 3 CHBrCH=CH 2 . C. CH 2 BrCH 2 CH=CH 2 . B. CH 3 CH=CHCH 2 Br. D. CH 3 CH=CBrCH 3 . Câu 4: Anken C 4 H 8 có bao nhiêu đồng phân khi tác dụng với dung dịch HCl chỉ cho một sản phẩm hữu cơ duy nhất ? A. 2 B. 1 C. 3 D. 4 Câu 5: Cho các chất: xiclobutan, 2-metylpropen, but-1-en, cis-but-2-en, 2-metylbut-2-en. Dãy gồm các chất sau khi phản ứng với H 2 (dư, xúc tác Ni, t o ), cho cùng một sản phẩm là: A. xiclobutan, cis-but-2-en và but-1-en. B. but-1-en, 2-metylpropen và cis-but-2-en. C. xiclobutan, 2-metylbut-2-en và but-1-en. D. 2-metylpropen, cis -but-2-en và xiclobutan. Câu 6: Ankin C 6 H 10 có bao nhiêu đồng phân phản ứng với dung dịch AgNO 3 /NH 3 ? A. 3 B. 4 C. 5 D. 6 Câu 7: Cho hỗn hợp tất cả các đồng phân mạch hở của C 4 H 8 tác dụng với H 2 O (H + ,t o ) thu được tối đa bao nhiêu sản phẩm cộng ? A. 2 B. 4 C. 6 D. 5 Câu 8: Anken thích hợp để điều chế ancol sau đây (CH 3 CH 2 ) 3 C-OH là A. 3-etylpent-2-en. B. 3-etylpent-3-en. C. 3-etylpent-1-en. D. 3,3- đimetylpent-1-en. Câu 9: Số cặp đồng phân cấu tạo anken ở thể khí (đkt) thoả mãn điều kiện: Khi hiđrat hoá tạo thành hỗn hợp gồm ba ancol là A. 6 B. 3 C. 5 D. 4 Câu 10: Hai chất X, Y có CTPT C 3 H 6 vàC 4 H 8 và đều tác dụng được với nước brom. X, Y là A. Hai anken hoặc xicloankan vòng 3 cạnh B. Hai anken hoặc xicloankan vòng 4 cạnh. C. Hai anken hoặc hai ankan. D. Hai anken đồng đẳng của nhau. Câu 11: Có hai ống nghiệm, mỗi ống chứa 1 ml dung dịch brom trong nước có màu vàng nhạt. Thêm vào ống thứ nhất 1 ml hexan và ống thứ hai 1 ml hex-1-en. Lắc đều cả hai ống nghiệm, sau đó để yên hai ống nghiệm trong vài phút. Hiện tượng quan sát được là: A. Có sự tách lớp các chất lỏng ở cả hai ống nghiệm. B. Màu vàng nhạt vẫn không đổi ở ống nghiệm thứ nhất C. Ở ống nghiệm thứ hai cả hai lớp chất lỏng đều không màu. BỒI DƯỠNG TOÁN - LÍ - <strong>HÓA</strong> CẤP 2+3 1000B TRẦN HƯNG ĐẠO TP.QUY NHƠN Tổng hợp bởi GV. Nguyễn Thanh Tú www.facebook.com/daykemquynhonofficial www.facebook.com/boiduonghoahocquynhonofficial

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