Đề thi vào lớp 10 môn Hóa học số 112

Ju u .{o D\rc vA DAo Tao u,l, rQl - KY rnl TUyriN stNll va,o LOp to .' i TRr.rdNG CHU.yaN ,{Ni vA UA WOt .AIVISTERDAM NAlvt HQC 1999. 2000 M6n ttii; IIOA HgC N$y thi: l8-6-1999 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. CAu III ( l,St) tlidm ) 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$75g ch{t rin khOng t"n.Hf,y xdc dinh kim loai R CauV (l,s7didm) . : Cho bi6t X1, X2, Xr, X 4, X, ll cCc hq P ctr(t h6u cd, cbn A, B, C, D, E h nhftng hqp chft vo co ; hiy r:.dc dinh r,dc "hdt U.i"lt trop dd ho}t: tlllrh rfiinrg phuong hinh phin ring theo so dd sau: Xr+ C Xr | 8., )i. + IIrf \ I l)Xr+ A* X? + Xr 4) 2) Xr+Xr5l Xr + C 5) 3)Ar>q+ Xz + IIJ 6) Cnu VI ( I.7i didm ) , r Il6nlhgp khi X ducr tao thenh khi trQn,lf,n 4Y ttt Cl!.vdi Y ttt fudrocacbon "A (do & c0ng diiu ki€n nhi€! iO ,.a dp sudt) 'Ddt chdy holn tden h6o hqrn'Lhl4 tttq ducrc hoi I:I2O vI khi Cpz cd ti le khdi luc.rng tuong t-mg ll6,lf : tl. Trgir iio nr-gorrCll. vdi 1,75nt gam hidrocacbon A ducrc h6n hgrp Y. D6t chdy holn todn h6ir htrp Y, ithu drr<,r kht CO2 vi hoi I'I2O c6 ti lo tlig'tfch tuong tin$ 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. Ch'o : II=1, C=12, N=l1, O=16, Mg=24, Ca-10, fe=iel Cu=61, Zn=65, Ag=108, Pb=207 0 . -i xt Xr +Or-+ D tXz-) X3 + Mg-I ffi**stl ng ciu I (1,50 didm ) . c{u t?o c6 thC c6 cria A. Ch'o : II=1, C=12, N=l1, O=16, Mg=24, Ca -10, fe=iel Cu=61, Zn=65, Ag =108 , Pb=207 0 . -i xt Xr +Or-+ D tXz-) X3 + Mg-I ffi**stl ng ciu I (1,50. 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. 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