c6u 17. X vd y ld c6c d6ng ph6n c6 c6ng thirc ph6n tir c5F{16. X ldrn mat mau dung dich nuoc brom <r a,r.du t<ill thuong t4o ,rra"n,a" prr?;;;;; nng:rd 1,3-dibrom-2-meiylbutan. Y phdn ring vdibrom khi chi6u s6ng tao mot đn xudt monobrom
duy nhAt. X vd Y c6 t€n goi tuong irng ld
Giiti: sctn phdnt c6 crir: cH2@r)-cH(cH)-cH(Br)-cH3 ch{rng to rdng x c6 phan,ftnq
"1rq ntóvdng 3 ud 2. nguy€n ,íir"*'iAtr rdo vi tri cua 2 C clia vdrg c'hd b-i ,n6' nạn x lit 1,2,-ctintetytxicloyr,opalt.rY,phdi ld xiclopen tan d€ tdt ca cZc'ngrryAn ilr C vd cdc nguy€n tir H diit nht nhati nAn khi phan ftng chi tqo I san phdm th€ duy nhdt'
C6u ig. Cho 20,16 eu,r., h6n hqp A g6m 2 axit hiLu co don chric t6c dung virạdu voi dung dich NazCOr tlill" dugc khi
aol
"j ar"g Jịr-, ,-"e ị co .an'arng"dich thu duọ c 28,96 gam mu6i khan.
Th6 tich khi co2 thu dugc (do o di€u ki€n ti€Lr
Giiti: Thay 2 H bing I l,,ta thi tlụL dtrp'c 1 CO2. Ta co V= (28,9-)a,16)t)/)x 2),1 - 1,18 tit.
Cf;u 19. Nhiet phan hodn todn mdt murii nitrat cta mQt kim loqi c6 h6a tr'l kh6ng d6i thu duo-c h6n hqp khi A vd m0t chAt rdn khdng tan trong dung dlch HCl. KhOi luọng ri6ng cira h6n họp khi A ódiAu ki€n ti6u chuAn bang
^.,' ^': J
Giiti: Chdt rdn khong tcút trong ITC| cht?ng to ld kin loai rdt y€zntlttr Ag, Au, Pt n€n ntu6i nitrat plttin huy thdnh NO2:O2 theo ti l€ : 1: A,5 n€n cd KLR : 0,949g/L.
Ciu 20. Hoa tan ho2rn todrn i7,5 gam mQt h6n hgp A g6m c6 3 l<iin loai X, Y,Zbingdung dich H2SOa lodng du, nguoita thu dugc 11,2lit khi (do 6' dktc). Ki6i luorg rrru6i thu duoc trong sau phAn rhg bing
Giii:ThaytH2biinglSdcSOl'n€nkh6iluóngmudibingtT,S+11,2/22,1x96:65,5gam.
CÁu21. TrQn 400 mldung dich HNO3 0,1M vdi 100 mldunidich H2SO4"0,5M d0 dúo-c 0,5 lit dung.dich X. Cho d6ng bQt
du vdo 0,5 lit dung dich X thi thu duọ c sdn phdm khu duy nh6t lA NỌ The iich khi NO (do o dktc) bdng
^"' -: ' nolLf :0,t4ntolthiliusov6'iNOi0,04nAnt[nhVy6ltheoningdOH':a,]4/4x22,1 :0,781L
\tlali I Ong So n
Cdu22. Cho 1,1 gam h5n hqp bQt nh6m vd bQt sat trong d6 s6 mol nh6m g6p 2 lAn s6 mol sat vdo 100 ml dung dlch
AgNO3 0,85M rdi khuay deu cho d6n khi phdn ring hodn todn. ndng d6 cdc chAt c6 trong dung dich sau phan ring ld Giiti: Ddu ti\n nhfirct khir ion bqtc cdn chr ion bac, siit khtr bqtc tqo Fe(ll) dv 0,005 ntot Ag+ r6i đn Fe(ll) kha bac dr Fe(ll) 0,0075 ntol. h'r d6 tinh dróc ning d0 cdc chiit: At(|,{O)s 0,2 M, Fe(NO)2 0,075 M, Fe(NO) j 0,025 M
Ciu 23. I(6t tu4n nao sau đy lu6n lu6n drlng?
Ạ c6c nguydn t6 nh6m A (ph6n nh6rn chfnh) d€u ld kim loai vd phi kirn (sai vi cdn co khi hi€m)
B. c6c nguy€n td phi kim d6u c6 electron xep
"u6i cing vdo phdn l6p p (sai vi cdn c6 H vd Be)