ri rnr<br />
<br />
riNtt rH,lr NcuyEN<br />
sd crAo DVc vA DAo rAo<br />
UBND<br />
<br />
Bt cuiNn rntlc<br />
<br />
cHeN Hgc SINH cror<br />
<br />
D<br />
(r)<br />
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9<br />
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(Thdi gian ldm bdi 150 plrtu khdng kA thdi gian giao tI4)<br />
<br />
I<br />
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s (,), A<br />
<br />
LoP<br />
<br />
NAvt Hoc 2or7-zor8<br />
vt0N rrirr noA Hec<br />
<br />
(4,0 tli6m)<br />
1. Vi6tphuong trinh h6a hqc cta chc ph6n r?ng thUc hiQn<br />
<br />
CAu<br />
<br />
riits<br />
<br />
(o),<br />
<br />
scr dO<br />
<br />
.G<br />
<br />
E<br />
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:<br />
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A<br />
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, ,oy<br />
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bi€n h6a sau<br />
<br />
(t)<br />
<br />
rA<br />
<br />
(6)>NaoH<br />
<br />
2, C6 6 ch6t ran epg trong 6 19 ri6ng biet bi m6t nhan sau: Na2CO:, NazSOa, MgCO3,<br />
BaCO3, BaSOa, CuSO+. Chi dugc dtng th6m mQt thudc thri, hdy nhQn bi6t c6c chdt rdn<br />
tr€n bing phuong ph6p h6a hgc, vi6t phucrng trinh h6a hgc cria c6c phan img xiy ra.<br />
Cin2 (4,0 di6m).<br />
L. Hinh v€ minh hga sau'ddy dirng A6 OiCu chti vd<br />
thu khi SO2 trong phdng thi nghiQm.<br />
<br />
a. NOu t€n c6c dpng cp sri dgng ldm thi nghipm<br />
trong hinh v6.<br />
<br />
Vi6t phuong trinh h6a hgc cria 2 phhnimg tuong<br />
img vdi c6c h6a chAt A, B.<br />
c. NCu vai trd cta bdng tdm dung dich D, vitit<br />
phucrng trinh h6a hgc minh hga.<br />
d. Ldm thti ndo Ae Uit5t binh da dAv khi SOr?<br />
e. Cho 2h6a chdt li dung dich H2SO+ dic vi CaO<br />
U.<br />
<br />
riin. H6a ch6t nao dugc dirng vd kh6ng dugc dung dC ldm khd khi SO2. Gi6i thich?<br />
g. BO dung cp & tr6n cdn dugc dtrng e16 di€u chti khi hidroclorua. Vitit phuong trinh h6a<br />
hqc minh hga.<br />
2. BAng phucrng phrlp hoShAc 4ay t6ch ri6ng chc chdtNaCl, FeC13, AlCl3 ra kh6i h6n hg'p<br />
3<br />
. rr ^<br />
r\<br />
ldm thay d6i kh6i luqrng cria m6i ch6t. Vi6t