UBND QUAN LONG BI~N PH~NG GD&DT MBn thi : H~A HQC Ngay thi 31-01-2013 ThM gian lim b8i I50 phut ( D& thi gbm 2 trang) Cau I ( 3di6m ) 1/ Tim chc chit A], A2, Aj, Ad, As, A& A7. A8. A9 thich hq d& hoan thanh cb PTHH the0 so d6 sau: dAl + A2+ A4 + A5 b/A3 + A6 + A5 C/ A6 + A2 I' A7 dI A6 + H20 + AB el AB + A, -, A3 + As g/As +, A2 -' A3 + H20 ~i&t A1, Az, Ag la hgp chit cc6 trong nguy&n lieu d& shn subt thby tinh. 2/~ikt chc PTHH xHy ra khi cho axit HC1 lh lupt tic dwg viri 7 chit rin khac nhau d& tqo ra 7chht khi khac nhau. cau 11 ( 3diBm ) l/Trinh bay phlrmg ph$ h6a hpc d& phh bi&t cPc khi dwg trong cac lo rihg biet sau diy : C2H6, C2H4, So2, So3, COz, CO. 21 Hpp chit X coi nhlr dugc tao ra do chc oxit K20, CaO, Si02 k&t hp vCri nhau, trong do him lupng % theo kh6i luqng cua C~C oxit tr&n tumg img 18 : 1 8,43%, 10,98% va 70,5 9%. H5y vikt cdng thirc c6a X duiri dqng cL oxit. CBU 111 ( 4 ai8m ) 11 ~6t chhy hoh toh 33,4g han hp X g6m Al, Fe, Cu ngohi khan8 khi thu dugc 4 1,4g h8n hqp Y gbm 3 oxit. Tinh th& tich dd HzS04 20% (D=l, 14giml) tBi thiku can diing 66 hoa tan hit h6n hp Y. 2/ Cho 1,02g h8n hw g6m A1 va Mg vio 100 ml dd HCl. Sau phan hg hoh toh, lh bay hoi hkt nnlrirc thu duqc 3,86g chgt rh khan. N&U cho 1,02g h8n hlrp bat tren vio 2001111 dd HCl cung ndng do thi sau khi phh hg hob toh, 1im bay hai hit nubc thu duqc 4,75g chit rki khan. Tinh khai iugng m8i kim loai vA n6ng do dd HCI. CPu IV ( 5 di8m ) 1 / Hba tan 5,4 g A1 vb dd NaOH du thu dugc khi thir hit. Cho 1,896 g KMnOl tAc dung hkt vbi axit HCI dac du dugc khi thir hai. Nhiet phh hoin toh 12,25 g KC103 c6 xuc thc ,thu dugc khi thir ba. Cho toh bo ba khi diiu ch& 6 tren via binh kin r6i d6t chiy d& phAn img xhy ra hoin toin .Sau 66 lhm lanh binh d& cho hai nlrirc ngung tp hit vB giP thi&t c6c chit tan hkt vPo nlrirc thu dugc dd E .~i& cac PTHH vB tinh n6ng do % cda dd E. 2 / ~8n hpp A gbrn Na, Al, Fe trong 66 ti I& sh mol A1 vl s6 mu1 Na la 4:5. Cho m gam A vio chc H20 khuhy dd& cho chc phh hg x6y ra hoAn toan, thu dugc V lit khi. Loc thu Hba tan C vb luqng du dd HCI l@ tfiu duqc 0,25V lit khi do . Cho C@ ~ tb dn du vilo dd B, 1$ k6t tiia dm nung n6nq lugng khBng dbi, thu &qc 4,08g chh rh. Tinh m vd % kh6i h8n hpp A vh th& tioh khl C@ (&c) dH phitn img vbi dd B. C~U v ( 5 diem ) I/ ~6t chhy hob toh m gam h8n hhp paam CH4, C3H6vh C&l0 thu duq~ 4,4g COz vh 2,52g H20. Hgy xflc dw gi6 crEa m. 21 Cho h8n hqp A ~6rn C2& vii C&. Lhy 2,968 h6n hqp A dm dbt chhy hoh toh thi thu duqc ml garn C02 vA mz gam H20. ~6~ 0,6 1 61 A (dktc) cho tAc dyng vdi luqng du nu& Br? thhy ci, 6,8g Br2 d3 than gia phh img. d Vi& chc PTPU b/ Tinh % tho b6i Iuwg vh th8 tfch cila m8i hidrocacbon trong A cl Tinh ml v& mz 31 X 18 h8n hgp g6m mot ankan, mot &en vP hi&. ~bt chQ 8,512 lit khi X(dktc) thu duqc 22g C02 vA 14,04g HzO. a/ Tlm ti khhi cfia X so vtri kMng khi b/ ~h 8,5 12 lit khi X(dMc) n6i qua bot NNi nung n6ng duqc h6n hpp Y c6 ti kh6i so vM H1 lA 12,6. D&I Y qua binh Br2 du thhy c6 3,2g Br2 phsn img. ~8n hpp Z tho& ra khbi blnh c6 ti khbi so v&i H2 18 12. Tim CTPT cic hidrocacbon dPL cho vP tInh % thd tich c8c khi tmg X. GiB, thi& cb phh hg xAy ra hob tab. . . . . . . . . . . . . . .Ha . . . . . . . . . , . . . . ( HQC sinh nap lai d& khi thu btli) . UBND QUAN LONG BI~N PH~NG GD&DT MBn thi : H~A HQC Ngay thi 3 1-0 1-2 013 ThM gian lim b8i I50 phut ( D& thi gbm 2 trang) Cau I ( 3di6m. thu dugc khi thir hit. Cho 1, 896 g KMnOl tAc dung hkt vbi axit HCI dac du dugc khi thir hai. Nhiet phh hoin toh 12,25 g KC103 c6 xuc thc ,thu dugc khi thir ba. Cho. theo kh6i luqng cua C~C oxit tr&n tumg img 18 : 1 8,43%, 10 ,98 % va 70,5 9% . H5y vikt cdng thirc c6a X duiri dqng cL oxit. CBU 111 ( 4 ai8m ) 11 ~6t chhy