Đề thi HSG Hóa MTCT lớp 12 Thái Nguyên 2013-2014 vòng 1 - Học Toàn Tập

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UBND

TiNII

THAI

NGUYfiN

Ki

THI CHQN IISG GIAI TOAN TNOX MTCT
sO

crAo

DUC vA

EAo

r+o

NAnn HQC

zafi

_-2074

Mdn:

g6,A IrQC.Ldp

12. Clip THPT (

_V0NG

I

₎
Thoi gian: 120 phirt (lchdns kA thdi gian giao d€)

Ngny thi: 15/10/2013

Chri

_f:

- Dd thi g1m cd 06 trang.

- Thi sinh tdm bdi trx^cc fidp vdo di thi ndy.

BIi crrimrr THUC

DIEM

CUA

OAN BAI THT CAC GIAM KHAO

(Hp, tinvd chfb kQ

SO PHACH
(Do Ch{t tich HE chiim thi ghi)
Bdng sd bang chtthJ

Quy rlinlr: Thi sinh trinh bdy cdch gidi,

_F,

q"y tinh todn vdo 6 trdng

liin

ki bdi todn. Cdc k€t qud tinh chtnh
xdc tbi 4 chii,sti ph,in thqp phdn sau ddu phiiy theo quy dc ldm trdn sd cila don vi ttnh _{Ery dinh trong}bdi
todn

Cffu 1: ( 5,0 itihm

₎

1. Hep chat

a

dugc tpo b0i hai nguy6n t6 X,

Y,

c6 c6ng thrlc ph6n tir XuY5, trong d6

X

chi6m
L5,A485YI vA

ttrOi lugng.

Trong hat nh6n nguy€n

tt

X

c6

Z

*

1

= N,

cbn trong h4t nhan
nguy6n tu

Y

c6

Z'

+l

= N'. Bi€t rang t6ng sii proton trong phdn tri

A

1A 100 vd a +

b:

6.

Tim

c6ng thric phf,n tir cria A?

2. D6ng t<t{t tmn theo kiiSu

lfp

phucrng tAm diQn.

a. Tinh c?nh cria hiqh lQp phuong cria mAng tinh th6 vd khoang c6ch ng6n nhdt giiia hai tdm
cria hai nguy6n

tft

d6ng trong m?ng, biiSt nguy6n tu dOng c6 ban kinh

b6rg

1,28A0.

b. Tinh kAdi luqng ri6ng cua ddng theo g/ cm3. Cho biSt Cu

:

64.

Ctich

gidi

K€t qua

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Cfin}z

( 5,4

1. X6t ph&n ung t6ne hgrp amoniac : N2 (k) + 3H2

_G)

i=

2NH3

_G).

O 450oC hang s6 c6n

bing

ctra phan ung nay Ie Kp

=

1,5. 1 0'5. Ban deu tr0n Nz

vi

H2 theo

ti

IC 1 :3 v€ th6 tich.

</div>
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C4H3:

( 5,$ iti€m

)

Hdn hqrp

X

gdm m$t

kim

lopi R

vi

mutii cacbonat cfia n6 (cd

ti

lg mol tucrng rmg 16 2 :

t).

Hda tan hoim todn 68,4 gam hdn hqp X trong dung dlch HNO3 du, th6y tho6t ra h6n hqp khf

Y

gdm NO (san phAm khri duy

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Cpu4:

( 5,0 iti€m

₎

TrQn l6n 7 ml dung dich

NH:

lM

vi

3 ml dung dich

HCI

IM

thu dugc dung dich A. ThCm
0,001 mol

lrlaoH

vio

dung dich

A

thu du-o. c dung dich

B.

X5c dinh

pH

cira dung dich

A

vd

dung dich E|, bi6t

r*r,

= t,8.lo-5.

C6cTEitrf-

$At qua

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Cf;u 5: ( 5,0 di6m

₎

Este A teo boi

2

axitcacboxylic

X, Y

d6u mach h&, khOng ph6n nh6nh vd ancol Z. X:iL

phdng h6a hoan

toin

a gam

A

bing

140 ml dung dich NaOH, it€ trung hda NaOH du sau

phin

rmg cdn dung 80m1 dung dich HCI 0,25M, thu dugc dung dich B. CO cpn dung dich B
thu dugc b gam h$n ho. p mu6i khan M, nung

M

trong NaOH khan, du c6 xric t6c CaO, thu

dugc ch6t r,6n R

vt

h5n hqp khi

K

gdm 2 hidrocacbon c6

ti

kh6i so

vdi

02 te A,625. DAn [Jri

K

lqi

qua dung dlch nu6c brom du thSy c6 5,376

lit

m$t ctr6t khi tho6t ra. Cho toan b0 luqng

ah66 rf5-R t6u dugc & tr€n t6c dpng

v6i

dung dich HzSOa lod,ng, du, c6'8,064

lit

khi CO2 tl'todt

ra. Gi6 thiiSt c6c phtn rlng <I€u xiry rahoan todn, c6c khf dAu do o diOu kiQn ti0u chu6n.

l,Xilc

clinh c6ng

thrlc

c6u tpo cira

X, Y, Z, A. ni6t

rang AC OOt chdy hoan

tain2,76

gam
ancol

Z

cdndtrng 2,352

lit

Oz (dktc), sau phan rmg

khi

COz vd hoi nudc t?o thanh co

ti

19

kfr6i luqmg tuorlg rmg 16 11: 6.

Z. Tinh gi6

trf

a,

b

vdr nong dQ dung dich NaOH dA

dtng

trong phfrn irng

xi

phdng h6a ban

diu" Cho biiit:

C:IZ; 0:16;

H:1;

Na:23;

C1=35,5.

-c6dh

Eiei

l{€t

quu

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Cflu 6: ( 5,0 iti6m

₎

Dung dlch

A

gdm CuSO+

vi

NaCl. EiQn ph6n 500

ml

dung dich

A v6i

diQn cpc tro,

ming

ngdn x6p bang ddng diQn

I:10A.

Sau 19 phrit 18 gi6y ngirng <liQn ph6n, dugc

d.ng

dich B cd

khtii

luqng giaffr

6,78

gamso

v6i

dung dich

A

. Cho khi H2S

tt

tt

vdo dung dich B duqc k6t
tfia, sau khi ph&n img xong dugc dung dich C c6 th€

tich

500

ml, pH

cira dung dich C

bing

1,0. Tinh ndng d0

mol

cria CuSOa, NaCl trong dung dich

A?

Cho Cu=64; C1=35,5; S:32;

O:16;

Na=23.

Ctich

gitii

K€t qua

( G i

dm',;;'

;;;

;;;

#;i;; ;

;;'

i

ii,

i'

si

r h a m)

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