so crAo uqg vA DAg rAoTINH THAI NGUYEN THI TUytN uNu Lop t0 TIIpr cnuvtl,r nAnc qqc zqrg- zotz Thcri gian lim bii:150 phrit L:hdng tC ttOi gian giao d0 ut cniNn rntlc C0u L 1,5 tti6m 1..
Trang 1so crAo uqg vA DAg rAo
TINH THAI NGUYEN
THI TUytN uNu Lop t0 TIIpr cnuvtl,r
nAnc qqc zqrg- zotz
Thcri gian lim bii:150 phrit (L:hdng tC ttOi gian giao d0)
ut cniNn rntlc
C0u L (1,5 tti6m)
1 Hodn thintr PTIIH theo c6c so dd sau, chi rO c6c chat tri Xr d6n Xs :
AlCl3 -r-X1-+ X2 + CO2 * NaCl
x2 + x3 -+ Alz(so4)3 -1- Na2son + H2o
Xl + X3-+ CO2 +
X2 + Ba(OH)z-+ X4 + fI2O
X1 + I{aOF{ -+ X5 + H2O
2 C6 5 lq h6a cn6t Ui mAt nh6n cht?a cac ch6t raru ri6ng biQt sau : KCl, KzCO:, KzSO+, BaCO3,
BaS0+ Chi ,fruqc clung 2 hba ch6t ldm thuSc th{r, hdy nhftr bi6t cdc chdt rin tr6n Viiit crflc
PTHH xiy ra
C{u-2-r (I,5 cli0n:)
1 Trinh bdy phuotrg phdp h6a hqc dd tacn ri0n1g ttrng oxit ra kft6i h6n hqp gOm : CuO, Al2O3
vd Fe2O3 Vii)t cris PTHf{ xiry ra.
2 Nung ch6t rtn A 0 nhigt dQ cao thu durJc chrit r6n B mdrq tr[ne r,,i khi C kh6ng mdu Chrit B
phin rmg mSnh liQt v6i nusc tpo thinh clung dfch D lim hOng phenolphtalein Khi C ldm vAn
OUc dung dich D Khi cho B t6c dUng r,6i cacbon & nhiQt dQ cao thi thu dugc ctr6t E vd gi6i
ph6ng t t i p Cho E phAn img vdi nu6c thi thu dugc khi SOng miu G OOt chay G thu dugc nudc vi khi C X*c dinh cdc chdtA, B, C, D, E, F, G vd viOt c6c PTFIH xiy ra
e6u-3: (tr,S di6m)
t Vii5t c6c PTFIH xay ratheo so d0 sau, ghi ro iiiAu kien phan ung (n6u c6) (I\46i mui tdn chi dugc
virit m0t PTI{l:l).
,, ^fi X+ -** Cao su Buna
Xr
-i"X2y>Xs \ ,-ttraPEI
gi6t ring Xr H hqp chtit ohi6m chri yiSu frong thdnh phAn khi thi€n nhi€n .X2,Ya,X4, X5, & li cac ch6t htu co
2" i.{hAn bi6t c6c khf sau dwg trong c6c lg ri€ng bi6t bi m6t nhan barg phuong ph6p ho6 hqc: cacbonnic, etilen, axetilen, metan
CAu 4: (2,0 di6m)
E6 phfin tich h6n hqp bgt gdm sft vi sit cxit nguli ta ti6n henh cac thi nghi$m sau:
Thf nghiQm 1: H&a tan 8,08 gam bQt cua h6n hqp ndy tong HCI 1,32M(du), ttru ttuqc 0,448 lit kh{ e EKTC vi dung dich A.
Thi nghiQm 2: Cho dung digh A F* hWrg vrii dunq dich NaOH du, dun n6ngF*g kh6ng khf, lpc k6t
tua vi nung d nhi$t d$ cao d6n lehdi luqmg khdng tl6i thu dugc 8,8 gam san ph6m
Trang 2a Tinh *dnh phAn phan u"am vA Hr6i lirqng cua cdc chf;t cti bong h6n hq'p ban diu.
b X6c dinh cdngthfc siit oxit
e Tinh tiio tich clung dictr HCl t6i thieu t-.an dung trong thi nghiQm 1.
eEsS: (1,5 di6m)
H6n hq,I: rfn X gdm nh6m vd kim lo$ ki€m M" Floi tan hodn todn 6,36 garn X trong luqng vua ddr d,ung dicf, axit HzSOa lo6ng thu duryc 4,928lit Hz & DKTC vi dung dich Y (chi
*6;;;6i sunLfat ir"g hod) Cho Y tac dlrng vcri lu,pg vira dri dung dich Ba(oH)2 cho tdi khi
!6c sunfat chuy6n htit thlnkr ktit tua thi thu duqc 54,38 gam k€t tira
a.Xdc dinh kim loPi IU
b Cho th6rn 3,4g gam mu6i hd2SO4 vdo dung dich Y thu rlugc diing dich Z Tiiin hinh ki5t tinh
.a- ifra, il;g oirh Z thu duqc 56,88 g"* tinh thA muOi kdp c6 cdng thirc dang
aM,SOo.bAl2(,SO4h.cH2O X6c dinh c6ng thric cira tinh thc mu6i kep
Ciu 6: (2,s ilii6m)
Cho 114,3 gam h6n hqp A gom 1 ancol don chfc vd I axit cacboxylic dcn chric Chia A tliinh 3 phAn bilng nhau:
- Phin 1r T5c rlpng hiit vOi Na, thu duo.'c 8,4 iit H2 d DKTC'
- PhAn 2: I)Ot,;6f"'i hodn toin thu dugc 59,'$ gam CO2 vd b gam FI2O'
- phfin 3: Thir:o hign phfrn ring este hda vdi hiQu su6t 60% Sau phan rmg thAy c6 3,24 gam nudc sinh ra"
t" X6c dinh c6ng thirc phAn tft" viot cOng thuc c6u tpo cria cilc eh6t trong h6n hqtp A vd cria este
tpo thanh
' 2 Tinh b
tsi6r nguydn tt|'kh6i: lr{a: 23; K-: 39; Al: 27; Fe = 56; Ctt: 54; Mg: 24; Co: 40;
Ba = 137; C : 12; ii' = l; O ': 16;5 - 32' Cdc ch* viit tiit:PTF{H: phuong trinh h6a hqc; DKTC: .3i$u kion tieu chu6n'
(Thi stuh kh6n2t dugc s* rt4ng bat ki tdi ii€u ndo Gidm thi coi thi khdng gidi tlztclt gi thant)
Hg vi t6n thi sinh:.", ^' i.i ,.e.n $ei.D.n., , " "SBD:"""""""""6""""r""'s
2