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[r]
(1)UBND TINII THAI NGTryEN so crAo DVc vA DAo r4o
on, crrinn rHL/c
Ciu,I: (3,0 di6m)
1 DOt ch6y cacbon kong kh6ng & nhiet d0 cao thu dugc hdn hgrp A Cho A t6c dpng
vdi FeO nung n6ng thu dugc kfii B vd h5n hqtp rdn C Cho B thc dpng v6i dung dlch Ca(OH)2
thu dugc ktit tua K vd dung dich D Dun s6i D l4i itu-o c k6t ma K Cho C tilc dpng v6i dung dfch HCl thu dugc vd dung dich E Cho E tric dpng vdi dung dich NaOH du, thu duo c k6t
tua F Nung F ngoii khdng dugc mQt oxit nhAt X6c rlinh A, B, C, D, K, E, F vi vitlt
c6c phucrng qifr h6a hgc xhy
2.Hdatan htit 20,88 gam mQt oxit kim lopi bing dung dich H2SO4 dflc n6ng, thu dugc dung
dich X vd3,248lit SO2 (sin phdm khri nhdt, tlktc) X6c tlinh oxit kim lopi
Ciu II: (3,0 tli6m)
1 Vi6t phucrng trinh h6a hgc cria c6c phan img x6y theo so d6 chuytSn h6a sau vd ghi diOu
kiQn phan ring (niiu c6):
Axit axetic (r) > Magie axetat Q) > Natri axetat (3) > Metan
AI
(8) | (4)
I lv
Rugu etylic ( (7) Cloetan ( (6) Etilen < (5) Axetilen
2 N€u hiQn tuqng vd viOt c6c phuong trinh h6a hgc xhy cilcthi nghiQm sau:
- Nh6 HzSO+ d{c vio c6c dlmg dubng mia
- Spc khf etilen vdo 6ng nghiQm dpg dung dich KMnOa
- SUc khf axetilen vdo 6ng nghiQm dpg Ae2O dung dich NH3 du - Cho benzen vdo ting nghiQm dlmg dung dich iot, l6c tl6u
Ciu IfI:(4,0 tli6m)
1.X6c dinh c6c ch6t A, B, C, D, E, F, G, H, I, J, K vd vitit phucrng trinh h6a hgc cria c6c phan img xdy theo so dil sau :
d+Oz-+ B+C
B +O2 to'xt , D
D+E_+ F
D + BaClz* E + GJ+ H
F + BaClz-+ GJ+ H
H + AgNOs -+ AgCl + I
I +A+ J+F+NOt+8,
J + NaOH-; Fe(OH)3 + K
z.chi dung thOm mQt h6a chdt,hdy.nhfln bi6t ch6t rin: A1, Feo, Bao, Alac3, Zno dqng
trong c6c l9 riOng biet m6t nhan Vitit phucrng hinh h6a hgc cin cdcphdn irng xdy
CAu IV: (3,0 tli6m)
Cho 1,02 gam hdn hqp A g6m Fe vd Mg vio 200 ql dung dich CuSOa Sau c6c phan
ring x6y hodn todn, 19c, thu dugc 1,38 gam chdt rin B vi dung dich C ThOm dung dich
ri rru crrgN Hec srNH GrOr riNn Lop 9
NAM HQC 20rs-20r6 vron rHr: HoA Hec
(2)NaOH du vdo C, 19c 6y kilt tua dem nung ngoii kh6ng khf diin khtii tuqng khdng dOi ttru
dugc 0,9 gam ch6t rin D
1 Tim n6ng d0 Cr'a cta dung dich CuSỢ
2.Tinhphdn trbm theo kh6i lugng cria m6i kim lopi hdn hqp A
CAU V: (3,5tli6m)
Thpc hign phin ring este h6a gifia axit C*H'COQH vi rugu CnH2nalOH Sau ph6n irng
thch Idy h5n hqp X chi gdm este, axit vd ruqu Otit cfray hoin toin 13,2 gam hdn hgp X, thu dugc 12,768lft COz (dktc) vd 8,28 gam H2O NOu ctng cho h6n hqp X nhu trOn t6c dgng vira dri vdi 150 ml dung dich NaOH 1M, th\t clugc 3,84 gam ruqu H6a hoi hoan toan lugng rugu ndy thi thu dugc th6 tich hoi thing bdng th0 tich cl0ra 3,36 gam N2 (do o cung
diOu kiqn nhiet dO vd 5p suAt)
- -.:
Vi0t c6c phucrng trinh h6a hgc xdy ra, xhc tlinh c6ng thric criaeste vi tinh hiQu su6t phan fng
este h6a
Cau VI: (3,5tli6m)
H6n hgp X g6m Al vd Fe*Or Nung m gam X trong diAu.kiQn kh6ng c6 kh6ng (gi6 sir chi t4o Fe kim loai) Sau pirin rlmg thu dugc h5n hq'p chAt r6n Y Chia Y phan
Phan 1: Cho t6c dpng v6i durg dioh NaOH du, sau phan img thu dugc 1,68 lit ldti vd 12,6 sam ch6t rin.
FnAn Z: Cho t5c dpng v6i dung dich HzSO+ d{c n6ng, du Sau phan tmg thu dugc 27,72 lit SO2 vd dung dich Z c6 chAa263.25 gam mudi sunfat
.-.i
BiOt cdc phin img xiry rahoin todn, c6c d dktc
1 ViCt cdc phuong trinh h6a hgc xhy ru
2,X5c dinh m vd c6ng thirc cria Fe"Ou
Bi6t NTK: Cl=35,5; H=1; N=14; 0=16; C=L2; Al=27;Ba=137; Fe=56; Na:23; l.flg=24 Ca=40; Cu=64