Thi thử vào 10 Hóa L1-2011(KHTN HN)

I'I{L; [)NC DFI IiIJ'TTJ NI-t ITiN TRYO'NG -l"IJPT CHUYTru XiIr'ru D + [-l'So4 lo0?o ll J' C clrurg clich D :BtQxI 3* p 1 nfr' xlfm TnA KlfriN THUc oru rnl uAo t0p t o cHUyEru mdn n*Am a$11 MOx non Hoc _,lhdi 6ian lam bdi, 1zo phirt_ LAn thi thu nhAt - Ngdry ZO tf,ang 03 nim 2011 Cau I: C-'ho so c10 chr-rvdn h6a sau: FeS; 464 A (klo 1, Viet cdc pl-rirong trinh phdn iLng xAy ra. 2' LAy,6,76 g.am-C hoa tan vAo nuoc <ltr<;c 200m1 dLrng clioh t- CiL 10mi clr,rng dich F trLrng hda vLi'a h€t voi l6nrl durng dich Naol-i 0,5M. vi6t c6ng thfrc cira c. cdu II: FIoa tan horin toan: gut h5n hop gom ddng vd bac vao 50rnl clulg clich IIrSO,r (d=1,84g/ml) thLr duoc dung dich G trong d6 lr-rgng FI2so4 cdn cir,r aangoi,+io tJr-ong uun'JA,,'. Chcr ti| tu dr-rng dich Ci vdo la7,24ml nuoc cAt thi vua du tao ra 200 gam clung clich [ XAc c]irrlr nong r1o phAn tram cLra nrdi chAt trong dung clich L. v 'ql'r \rL'tt6 Ciu IFI:.Cho mOt thanh sit va m6t thanh kOrl vdo c6c chLla l50nrl cir-rng dich CuSOr. SaLr r.irt rSoi gian, IAy hai thanh l<im ioqi ra khoi cdc, thu duoc clr:ng clich Vi trong doiong oa,-,.,ut'.u","r,j'',,r"-' gAp 2,5 lAn cira mr"r6l B6t. Th€m dung c'lich NaOFi clu' vdo or-rng cliih M, lq"c ia, liO,',r^, ;:'#; lgoui.khdng \nj otin khoi tuong khong doi, thu duoc 20 gam.cn7t "1n N 'Ch; dlng khf l,{2 cli qua N dot nong tcvi khi phdrn irng hoan todrn, thu ch-roc 15,84 gam chAt ran p. Tirn n6*g d6 rnol/liicLra rlLrng dich cLrSoq barr dAr-r va sd garrr c16ng bdm tr€n mdi thinh l<irn loai. Ciu IV: Hqp chAt hiru co Q mach ho'cd ti kh6i hcvi so voi l{iclro bi-ng 7g, uhi co m6t loai nJrd'r chirc Khi a ph1'l Lrng voi clr,rng clich NaQI'I.]?o r^ mQr nruoi va hdn"hap hai-unr,it. v3,;;,,; thirc cAu tao moi hop chAt thoa mdn c6o tinh chdt cua e. au." l:t Yl:1i, hiLu coX (chira cacbon, hiciro, oxi) co kh6i lu,ong nrol.bing 90 galr. trong c16 oxi clii0nr 53,33o/o theo.kh6i-lu'Q.ng.Hoa tan X vdo m6t clLrng,.r.,biT.o, roi c1,Ta o,rng ciich tha'h hai phan bang nhaLr. PhAn rn6t phair irng 191 voi Narico3 tabla v iit ichi. phA' hai piran Lr.ng h€L Vcii Na tao ra 0.5V tit khi (do trong cung cli€\kien). ChAt X co th6 dLroc didu ch0 theo so cl0iau, y r 2 ' Fr:so'9-l- x, -:$grr't-Xz -jil x Vtii Y, Z',X),X2 ld cdpch6t hirr-r co, kh6i lLLong rnol cua Y, Zd€u nSo hon cira X. I-ldy xac cli'h ::1i,!'-]: caLr tao crra X vi\ chon cac chat thiJ hqp oe viet cay o '.ar;;;;;, rr.inlr phdn iL'g Utc() s0 0() lfcn. + Br:, FllQ Mg 24; l:'s.= 56; CLr =. 64; 1p , 1r5 t 1, :, , ,,;,.l.t'oifJtlilfilJ.ll-:tr,T-H{-r c*rr.rir,,; no.*ianr 20rr _rin r}rrj r.JFr\,;. I li0, " ," r,r\ ^ ]__-) I Fe, r_). r- g Ij i-1, rr:(' i- li.:lO, _' -r ll SO rrS(). " l.iit- '- r.); : li{, 'll.:,{-), * Ba{olJ,,, r'-ti,s,rl, " :tjji) \rl', . tir. -r-: , -,:1.r6- ,_ ii.sr-;. i.iiiii;'li',f'.".,,.1111,1'. *-1,. ; ,n,i,l' rirso" ifraoir s,y ,u,i,,''';;.,o::1,,lJl,s-;;'fii,,i,ili*;ili;i;,1i11,ff[ii::;]f,i],; i \iii r]i -r h,a,so, + )t4{i vay khiii lusng oleurn ban ol',r. ,rr__.,rl,rlt _ '"^.,.,'- "l' ffi i*li :i,iTil :,;-#ffi r**i ri ''; ',. . ,,'l- :, J;l,'l x: il:,: i',T' l-l;. Kr]or luQrlg drrrrg .lich C * 200 * lAl ,24 * U:,;O g.ar' Ap dtrng dlrrh lugt b)o rodrr ra cO: f lg-t<;,rr i,;;, - i,,, nr., ir.l,j6a *-i.lg,J,Jr.r , krq \:,J s11) ra khoi lLrqrrg SO3 = 3 *,;"1 q,-7i )' li:,1,\gr,,,,. v6,r ro,1*, v)2 rao ra la i,,.ls,nc; \eu ger so nrrri cua Cu vii Ag l.1rr Iu j"l Ii ,o ,.A .v io,co f.ni, i"o,rg,i,an,lar',, (4.< - . {rj,,. =, " rliai lr€raclrrg(:r*0.03 uillv=0,i, t6;nol sLrr: *+0,5! -0,01s ' r Vi luqng H2SO, cc,n lqi t,.on"n, *u;.,S *:jici_, C b&ng g2.,4otalLrryng ban,ltl,:i: j-oO.ng t,tlSO{ cld plrd* ,i.rrg s6 i:ring 7,69"0 'rQ'.e ban diri. suy ra kirrSi t'",rng ttrsor crr tr.*g o ,n, LEgaqu__u-tzii':r::';;:". faV.tron$ L, cdr: l.lrti0a ($J,,tqnirii:_{.,r.rSC, (4.ligam); AgrSfir (2,04garn)^ Tir,Jo tinh drrpc c% cfra rric i;ri,, rlrrln_'qbg,9%l; c_sbr ts,i,xi; *ersoo e,zo,4). l;f;- 11t,^9,i. pl'ru'orrg trinl"r pi-riirn ir.ng xat,,, ;s; ':lri "! cusor **-r Znso,r "r r:i'j- Fe + cusor -,*) F.eS{_\ .f cur l'eS*.r i"lNa'l-i **-+t"e(O'i): J, .r NarSOq CuSOa ,r_ 2li?t"1 . *_-_) Cu({)}_l.yi J. ." Na.r$', lnscr + lNaol-l ***r zrr(oLll: I +' hta:$u d z'(oH)2 + rNat)H :.; -' N*2/iro3 + ) iir{:i ai:e(OFi): + Or -,.r*r l}:"e;Crr + q l".tr0t Cu(CI-l)2 ._t -) Ctu0 r_ H,Cf Fe:Or + 31"{, -i } 2Fe+3lJr0 cu* * H: -_-r _r*"1,, ,*rlrc, tr"lu ggi x la s6 mol Feso*iu *iltr-, ttri s6 nrol znso,r la 2,5x; sd rn,:r cu lriim "ao tru,rt, sar h x v,d sri rnor cr.i i'rm v*'thanh kdrn s€ ii 2.5,r" sn riloi ci'duo rJu co trorig rr,4 iJy :i, .a" prrur:rrg rrirrrr prri, uns 'err ra cc: ' r'1i lust)g chdr r6n N = kh<ji t,,q,,r,ti*r0, i Il*, lirq.ng CuO * Lr,s^.1o0 , ligy - r6 i.lroi lL(rng chdt r6n p = kh$i i,no,,gir*.n-i i.,6i iufrnii,;;.;;;* * i*y _ ,s,go. L, :ii lig,tl dirgc x E 0,02 vd y * 0,;;. ''"i} kitoi iuorrg cu bam vriio sir ld; 64.0,0? -'tr,1{ sam.vl khtii lu,g,g-c, bd'i vdro k6m la: 64.p,r,i:, 2.5 *,_},?, ganr i -rrg s6 rnol cuso, bandd* ta: x + r,sic'io^,,i m,rr[ocilso. ou*o,oz + ri,05 + 0,23 * 0 rrrio{ S r. rn rrirrg ct6 cLra CuSoo bu; jj, ri'lrrt " Ciu lV; Cdng thfic cAu rao c6c l:op chAr rhoa mfrtr tfnh chdt cira e: ir-*COi)CHr CH: COOCI{I COO*I:H r ' (-'()c)Ct-r"cHr l,ooa,, *.a=,an i.,a,,-n,,_(.rJ,- _c-r.H i'.)o*cil"1 q-t.*llffifr fttu coo*-c"H: 1'.|i1 cooCt{"-*c aj(lri criu v: cdng thi'c phin rucira X rd c:r.{oor vi c6rrg rhtrc sdu rao eia chdt X phu ligp r.1 cH:*o*cr"tr1*coohr; ;irr y' lii Ct^ljCrH r,'d cira Z ld HO CI{2"rbOOn. Jdr piirrorrg trinlr ph*n {,nq;Al ra: -it'- ii:o{-l + Ho-cH:{gg;1 *.liru,t*+ cH]*o*cr,rr cooci{: r 2}-rro c"r'*c-c[1'"-cooct{i + NaofJ *i*-r cr{:r*o-cH]*cooNa + ctiror-{ C.*,*O*fjH,-cOONa r. t{Ct -*+ Cl{3*O-{ll2*COOH + NaCt -, )()ct-i* c'= ct-l , L f l1 COO*_CH. I c00c].,rr*cEC*cHr . a$11 MOx non Hoc _,lhdi 6ian lam bdi, 1zo phirt_ LAn thi thu nhAt - Ngdry ZO tf,ang 03 nim 2011 Cau I: C-'ho so c10 chr-rvdn h6a sau: FeS; 464 A (klo 1, Viet cdc pl-rirong. ra. 2' LAy,6,76 g.am-C hoa tan vAo nuoc <ltr<;c 200m1 dLrng clioh t- CiL 10mi clr,rng dich F trLrng hda vLi'a h€t voi l6nrl durng dich Naol-i 0,5M. vi6t. aangoi,+io tJr-ong uun'JA,,'. Chcr ti| tu dr-rng dich Ci vdo la7,24ml nuoc cAt thi vua du tao ra 200 gam clung clich [ XAc c]irrlr nong r1o phAn tram cLra nrdi