BÀi tập GLucozo rất hay. Các bạn hãy tải về đọc và làm để có thếm 0.75 điểm thi THPT nhé,........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
GLUCOZ FRUCTOZ Lấ NG KHNG [ THY Lấ NG KHNG CHIA S TI LIU LP 12 ] Phn ng CTPT CTCT GLUCOZ FRUCTOZ Glucoz C6H12O6 CH2OH[CHOH]4CHO S chuyn húa H2 AgNO3/NH3 Cu(OH)2 Cu(OH)2/OH-, to Br2 Lờn men Fructoz Fructoz CH2OH[CHOH]3COCH2OH Glucoz C6H12O6 + H2 C6H14O6 (sobitol) C6H12O6 2Ag Dung dch xanh lam Cu2O (m{u gch) Cú phn ng Khụng phn ng C6H12O6 2C2H5OH + 2CO2 BI TP T LUYN Cõu Glucoz v{ fructoz u A cú cụng thc phõn t C6H10O5 B cú phn ng bc C thuc loi isaccarit D cú nhúm CH=O phõn t Cõu chng minh phõn t ca glucoz cú nhiu nhúm hiroxyl, ngi ta cho dung dch glucoz phn ng vi A Cu(OH)2 NaOH, un núng B AgNO3 (hoc Ag2O) dung dch NH3, un núng C Cu(OH)2 nhit thng D kim loi Na Cõu Cht t|c dng vi H2 to th{nh sobitol l{ A saccaroz B glucoz C xenluloz D tinh bt Cõu Trong iu kin thớch hp glucoz lờn men to thnh khớ CO2 v A C2H5OH B CH3OH C CH3COOH D CH3CHO Cõu Thuc th phõn bit glucoz v{ fructoz l{ A Cu(OH)2 B nc Br2 C AgNO3/NH3 D Na Cõu Cht n{o sau }y l{ ng phõn ca fructoz A mantoz B saccaroz C glucoz D tinh bt Cõu Cho s chuyn ho|: Glucoz X Y CH3COOH Mi mi tờn tng ng vi mt phn ng Hai cht X, Y ln lt l{ http://ledangkhuong.com/Grizli777 GLUCOZ FRUCTOZ Lấ NG KHNG A CH3CH2OH v CH2=CH2 B CH3CHO v CH3CH2OH C CH3CH2OH v CH3CHO D CH3CH(OH)COOH v CH3CHO Cõu Cho cỏc phỏt biu sau: (a) Cú th dựng nc brom phõn bit glucoz v fructoz (b) Trong mụi trng axit, glucoz v{ fructoz cú th chuyn hoỏ ln (c) Cú th phõn bit glucoz v{ fructoz bng phn ng vi dung dch AgNO3 NH3 (d) Trong dung dch, glucoz v fructoz u ho tan Cu(OH)2 nhit thng cho dung dch mu xanh lam (e) Trong dung dch, fructoz tn ti ch yu dng mch h (g) Trong dung dch, glucoz tn ti ch yu dng vũng cnh (dng v ) S phỏt biu ỳng l{ A B C D Cõu Cho cỏc chuyn hoỏ sau: xt ,t X + H2O Y Ni ,t Y + H2 Sobitol t Y + 2AgNO3 + 3NH3 + H2O Amoni gluconat + 2Ag + 2NH4NO3 xt Y E+Z o o o aự nhsaự ng Z + H2O chaỏ t diep ọ luc ù X+G X, Y v Z ln lt l: A xenluloz, fructoz v khớ cacbonic B tinh bt, glucoz v ancol etylic C xenluloz, glucoz v khớ cacbon oxit D tinh bt, glucoz v khớ cacbonic Cõu 10 Cho hn hp gm 27 gam glucoz v{ gam fructoz phn ng hon ton vi lng d dung dch AgNO3 NH3, thu c m gam Ag Giỏ tr ca m l A 32,4 B 16,2 C 21,6 D 43,2 Cõu 11 Cho 50ml dung dch glucoz cha rừ nng tỏc dng vi mt lng d AgNO3 dung dch NH3 thu c 2,16 gam bc kt ta Nng mol ca dung dch glucoz ~ dựng l{ A 0,20M B 0,10M C 0,01M D 0,02M Cõu 12 Lờn men dung dch cha 300 gam glucoz thu c 92 gam ancol etylic Hiu sut quỏ trỡnh lờn men to thnh ancol etylic l A 54% B 40% C 80% D 60% Cõu 13 Lờn men 90 kg glucoz thu c V lớt ancol etylic (D = 0,8 g/ml) vi hiu sut ca quỏ trỡnh lờn men l 80% Giỏ tr ca V l A 46,0 B 57,5 C 23,0 D 71,9 Cõu 14 Lờn men m gam glucoz to thnh ancol etylic (hiu sut phn ng bng 90%) Hp th hon ton lng khớ CO2 sinh vo dung dch Ca(OH)2 d, thu c 15 gam kt ta Giỏ tr ca m l A 18,5 B 7,5 C 45,0 D 15,0 Cõu 15 T 180 gam glucoz, bng phng ph|p lờn men ru, thu c a gam ancol etylic (hiu sut 80%) Oxi ho| 0,1a gam ancol etylic bng phng ph|p lờn men gim, thu c hn hp X trung ho{ hn hp X cn 720 ml dung dch NaOH 0,2M Hiu sut qu| trỡnh lờn men gim l{ A 90% B 10% C 80% D 20% http://ledangkhuong.com/Grizli777 Lấ NG KHNG GLUCOZ FRUCTOZ Facebook cỏ nhõn https://www.facebook.com/khuongld Fanpage: https://www.facebook.com/ThayLeDangKhuong Website: http://ledangkhuong.com/ Youtube https://www.youtube.com/user/ledangkhuong in thoi: 0968.959.314 Email: ledangkhuong.cskh@gmail.com http://ledangkhuong.com/Grizli777