Bài giảng Kiểm tra 1 tiết – hóa học 9 trường THCS Tứ Dân
Câu 1 : Thực hiện phản ứng este hóa hoàn toàn m gam CH3COOH bằng một lượng vừa đủ C2H5OH thu được 0,2 mol este . m có giá trị:
A. 12g B.1,2g C. 1,4g D. 2,1g
chất có trong chai rượu là ml A. 18 ; B. 180 ; C.190 ; D. 1800 Câu 3: NaOH tác dụng với chất nào trong các chất sau đây: A. C6H6 B. C2H5OH C. H2O D. CH3COOH Câu4: Chọn thí nghiệm nào sau đây để phân biệt axit HCl với axit CH3COOH A. Làm đỏ quì tím B. Phản ứng với đá vôi cho chất khí bay ra C.Phản ứng với Na cho chất khí bay ra D. Phản ứng với rượu êtylic khi có H2SO4 đặc nóng Câu 5 Trong các dãy sau, dãy nào chứa toàn các dẫn xuất của hiđrocacbon : A.CH3COOH , CHCl3 ,C2H6O , CO2 B. CH2Cl2 , CH3NH2 , H2CO3 , C2H5OH C.CH3Cl ,C2H5OH ,CH3COOH , CH3NH2 D. CCl4 ,CH3COOH ,Na2CO3 ,C6H5Br C©u 6 :S¶n phÈm cđa ph¶n øng gi÷a axit axetic vµ natri cacbonat lµ A. CO2,H2O B.CH3COONa,H2O C.CH3COOH, CO2,H2O D. CH3COONa, CO2,H2O C©u 7: S¶n phÈm cđa ph¶n øng gi÷a natri d víi rỵu etylic 30 lµ A. C2H5ONa ,NaOH ,H2 B.C2H5ONa,H2,Na2O C.H2,H2O ,C2H5ONa D.C2H5ONa, H2 C©u 8 : Nhãm c¸c chÊt ph¶n øng ®ỵc víi axit axetic lµ A.Na,Cu(OH)2,C2H5OH,ZnO,BaSO4,CaCO3 C.Na2CO3,Zn,C2H5OH,Ba(OH)2,MgO, B. CuO, Na2CO3,Ag, C2H5OH, K, C6H6 D. Mg,CuO, C2H5OH, CaCO3, Cu(OH)2 ,Ag II/ PHẦN TỰ LUẬN : (6điểm ) Câu 9: ( 2 đ) §iỊn CTHH vµo dÊu chÊm sao cho ®ỵc ph¬ng tr×nh ®ĩng C2H5OH + .......... ------ -> CO2 +.......... .............. + H2O ------- - > C2H5OH CH3COOH + ......... .------ -> CH3COONa + ............. + ............ (RCOO)3C3H5 + ......... ----------> .................. + C3H5 (OH) C©u10: 2 ® . h·y nhËn biÕt 3 chÊt láng sau : DÇu ¨n , rỵu etylic, axit axetic .ViÕt PTHH nÕu cã Câu 11 :(2®) Cĩ hỗn hợp A gồm rượu etylic và axit axetic. Cho 21,2 gam A phản ứng với Na dư thì thu được 4,48 lít khí điều kiện tiêu chuẩn. Tính phần trăm khối lượng mỗi chất trong hỗn hợp A. ( Cho C =12 ,H =1 ,O =16 ) 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ĐÁP ÁN VÀ BIỂU ĐIỂM I /PHẦN TRẮC NGHIỆM : ( 5 điểm
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