sb ~rAoDVC & DAO T HA ~ ~ O K* THI HQC SXNH G I ~ THANH I P B - ~L&' N6m hoc 2012-2013 M8n thi: H6a HQC Nghy thi: 05 - - 2013 Thivi gian lhm bli: 150 phut ( t ! thi gdm trang) Clu I ( 3,0 diim) I/ C ~ su O a6 phAn img: 00 + F (Nj't H,SO,(loang) (v Q) +ta,it"/ ~ i k: t(X)+ H2S04oolg) +(Y) + (G)+ H20 vikt + NBOH ,(2) - Fe(OH13 (GI ,hum, trlnh hoh hpc minh hpa 21 C6 chc chit bt>ilh hai nu6c sau: C02, 02,khi SOz N ~ dUh g H2SOs d$c hoac CaO cb th& l h kh6 duqc nhting nho nbi trCn GiAi thich @i sao? Clu I1 ( 4,0 dihm) 11 Neu hi$n tuqng h6a h ~ v$ c vikt chc phuong trinh hoA h ~ minh c hpa cho cac thi nghigm sau b i y : a) Nh6 tu tu din du dung djch HF vdo Ang nghiem d p g boi Si02 b) ThPm vAi gipt pllenolphtalein vao 6ng nghiem chua dung djch NaOH lohg, sau 66 them ti$ lupng du dung djch HCl c) D& tir tir dkn du CH3-CH=CH2vho Brig nghiem ch3a dung djch brom d) Cho tiT tir bin du dung djch HzS04vAo Ang nghiem chira bat CuO, rbi sau d6 them tikp dung djch NaOH du 21 X, Y, Z I& Iuqt l i mu& cua ciic kim loqi nnatri, kali, bari thoh m h chc diku kien sau: - Z +X c6 chit khhi A v&c6 chit kkt tha C ~ i &khi t A c6 p h h img l h rnh rnhu dung djch brom vh k&ttea C khbng tan dung djch HCI C h ~ chc n mu& X, Y, pha hqp va viit chc phuong trjnll hob h ~ minh c hog CQu111 (4,O d l h ) I/ D& 5,6 lit h6n hgp A (dktc) gbm metan, etilen va axetilen vho dung djch chi chim 40 gam brom, sau ch p h h img xtiy h o b t o h thu duqc 500 ml dung dich 66 brom c6 nbng de 0,l M N ~ U dem ddt chhy h o h toin 2,8 lit h6n hpp khl A (bktc) oxi du &hithu h p c 4,05 gam nubc a) ~ i &c9c t phrrmg trinh h6a h ~ dB c xfty b) Tinh t h b h phhn phkn t r h theo th6 tic11 m8i h8n hqp A 21 Cho 19,6 garn h6n hgp X g8rn canxi vA canxi cacbua thc d w g h&tvdi nubc, thu d u ~ 8,96 c lit h6n hpp Y (dktc) a) Tinh kh6i lupng m6i chit cb h6n hlrp X b) Dem t o h b$ luwg h8n hqp Y nung nbng v6i x k thc Nj thl xhy hai p h h img: C2Hz 4- Ni,to c2H4(1) C2H2+ 2H2 c2H6 (2) g thu duac hbn h q ~ Z g8m CzH6, C2H4, Hz du va C2H2 du, ti kh6i c6a h6n hqp Z H2 ' t o ) Sau p h h h so vbi hidro b h g 8,s D& t o h b6 luqng h8n hqp kki Z di c h m qua binh d w g dung djch brom du, sau c6c p h h h g xAy h o h t o h thiy cbn 3,36 Iit h8n h9p (dktc) t11oAt khdi blnh Tinh t h h h p h h p h h t r h theo thk tich cfia m8i h8n hqp DeThiMau.vn