Trgir iio nr-gorrCll.. D6t chdy holn todn h6ir htrp Y, ithu drr.
Trang 1Ju u {o D\rc vA DAo Tao
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KY rnl TUyriN stNll va,o LOp to .' i TRr.rdNG CHU.yaN ,{Ni vA UA WOt AIVISTERDAM
NAlvt HQC 1999 2000
M 6 n t t i i ; II O A H g C
N $ y t h i : l 8 - 6 - 1 9 9 9 Th<ri gian ldm bdi : 150 phit
i
i I
l HAy cho bidt didu ki€n dd c6 thC xiy ra phan ung gifia mu6i vi axit; gi8a mu6i v] ki€m- Vidt cdc phuong trinh phan trng nunh hoa
2 NOu thf du 2 mu6i ( tao boi 2 kim loai khdc nhau vA 2 S& axit khdc nhau ) vr)a c6 kh.{ nang phan rhrg voi axit, via c6 klri nAng phin trng vrli kiCm Vi6t cCc phuong trinh plrln rrng dC minh hoa
Ciu II ( I ,75 didm )
I-Iol tan holn tolq mudi IvICOI bing nr0t lucmg vtra dfi dturg dich HzSOl L2-25Vo thu ducrc dulg dich MSO l7,43lVo, i ,
l Xdc dinh ki:l loai lvl I ' | 'l
2 Dun ohe 10.1,619 dung dicfi mu6i tao tlrAn]r d tren dt! Innr bay hoi ntrtlc, thu duqc 33,369 tinh drC hi<trat XCc <linh cong Odc crla tinh tltd nrudi hidrat nly
C A u I I I ( l , S t ) tl i d m ) r
-Vidt 6 phurrng trinh phln tmg llm tao thhh ddog (II) clorua tr! nhftng ch{t ban ddu kh{c nhau
CAu IY ( 2,tt0 didm )
Cho 80g b6t Cu vlo 2O0url dung dich AgNOr, sau m6t thli gian phan dng loc duqc dung dich A v) 95,29
"ntt rin Cho tiCp 80g bOt ft vlo dung dich A; phin ting xong lgc, fdch ducrc drng dich B chi chtia rn6t rrrudi duy nh{t vl 67,059 chdt rin
l 'ltrlr ndng dQ moVl ctia dung dich ABNOr dI ditng
2 CJro aog bgt kim loaiR Qrod trl II) vtro 1/10 dung dlch B,'sati tctr.i ptrfur ring hoAn to).n lgc tCclr due M$75g ch{t rin khOng t"n.Hf,y xdc dinh kim loai R-
Cho bi6t X1, X2, Xr, X 4, X, ll cCc hq P ctr(t h6u cd, cbn A, B, C, D, E h nhftng hqp chft vo co ;
X r + C
X r | 8 ,
)i + IIrf
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l ) X r + A * X ? + X r 4 )
2 ) X r + X r 5 l X r + C 5 )
3 ) A r > q + X z + I I J 6 )
Cnu VI ( I.7i didm ) , r
Il6nlhgp khi X ducr tao thenh khi trQn,lf,n 4Y ttt Cl!.vdi Y ttt fudrocacbon "A (do & c0ng diiu ki€n nhi€! iO ,.a dp sudt) 'Ddt chdy holn tden h6o hqrn'Lhl4 tttq ducrc hoi I:I2O vI khi Cpz cd ti le khdi luc.rng tuong t-mg ll6,lf : tl
Trgir iio nr-gorrCll vdi 1,75nt gam hidrocacbon A ducrc h6n hgrp Y D6t chdy holn todn h6ir htrp Y, ithu drr<,r kht CO2 vi hoi I'I2O c6 ti lo tlig'tfch tuong tin$ ll 3 : 4
i ,l ) Xdc dinh cdng tbtic phnn t& p* hi&bcacbon A '
2) Vidt cdc cOng thric c{u t?o c6 thC c6 cria A
C h ' o : I I = 1 , C = 1 2 , N = l 1 , O = 1 6 , M g = 2 4 , C a - 1 0 , f e = i e l C u = 6 1 , Z n = 6 5 , A g = 1 0 8 , P b = 2 0 7
0 - i
xt
X r + O r - +
D t X z - )
X 3 + M g - I