Tinh khai iugng m8i kim loai vA n6ng do dd HCI.. Cho 1,896 g KMnOl tAc dung hkt vbi axit HCI dac du dugc khi thir hai... HQC sinh nap lai d& khi thu btli.
Trang 1UBND QUAN LONG B I ~ N
P H ~ N G GD&DT
MBn thi : H ~ A HQC Ngay thi 31-01-2013
ThM gian l i m 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 h q d& hoan thanh c b PTHH the0
so d6 sau:
d A l + A 2 + A4 + A5 b/A3 + A6 + A5
C/ A6 + A2 I A7 dI A6 + H 2 0 + 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 / ~ i k t chc PTHH xHy ra khi cho axit HC1 lh lupt tic dwg viri 7 chit r i n khac nhau d& tqo ra 7chht khi khac nhau
cau 11 ( 3diBm )
l/Trinh bay phlrmg ph$ h6a hpc d& p h h bi&t cPc khi dwg trong cac lo r i h g biet sau diy
: C2H6, C2H4, So2, So3, COz, CO
21 Hpp chit X coi nhlr dugc tao ra do chc oxit K20, CaO, S i 0 2 k&t h p vCri nhau, trong do
h i m 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 c L oxit
CBU 111 ( 4 ai8m )
11 ~ 6 t chhy h o h t o h 33,4g han h p 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 h p Y
2/ Cho 1,02g h8n hw g6m A1 va Mg v i o 100 ml dd HCl Sau phan h g h o h t o h , l h
bay hoi hkt nnlrirc thu duqc 3,86g chgt r h khan
N&U cho 1,02g h8n hlrp bat tren v i o 2001111 dd HCl cung ndng do thi sau khi p h h h g
h o b t o h , 1im bay hai hit nubc thu duqc 4,75g chit r k i 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 h i t Cho 1,896 g KMnOl tAc dung hkt vbi axit HCI dac du dugc khi thir hai Nhiet p h h hoin t o h 12,25 g KC103 c6 xuc thc ,thu dugc khi thir ba Cho t o h 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 / ~ 8 n hpp A gbrn Na, Al, Fe trong 66 ti I& sh mol A1 v l s6 mu1 Na la 4:5 Cho m gam
A vio chc H 2 0 khuhy dd& cho chc p h h h g x6y ra hoAn toan, thu dugc V lit khi Loc thu
Trang 2Hba tan C v b luqng du dd HCI l@ tfiu duqc 0,25V lit khi do
Cho C@ ~ tb dn du vilo dd B, 1$ k6t tiia d m 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 / ~ 6 t chhy h o b t o h m gam h8n hhp paam CH4, C3H6vh C&l0 thu d u q ~ 4,4g COz vh 2,52g H20 Hgy xflc d w gi6 crEa m
21 Cho h8n hqp A ~ 6 r n C2& vii C& Lhy 2,968 h6n hqp A dm dbt chhy h o h toh thi thu duqc ml garn C 0 2 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 p h h img
d Vi& chc PTPU
b/ Tinh % t h o b 6 i 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& ~ b t 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 ~ 8 n 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 t m g X GiB, thi& cb p h h h g xAy ra hob tab
.Ha ,
( HQC sinh nap lai d& khi thu btli)