De HSG Moi

SỞ GIÁO DỤC VÀ ĐÀO TẠO
ĐỒNG THÁP

KỲ THI CHỌN HỌC SINH GIỎI LỚP 12 THPT CẤP TỈNH
NĂM HỌC 2010 - 2011

ĐỀ THI MÔNHOÁ HỌC
Thời gian làm bài 180 phút (không kể thời gian phát đề)


Câu 1:(2,0 điểm)
1. !"#$%&"'()*+,-. /"/%
012)3+4556+%7%89/"/%012:
a. 0; :
b. <=>?(@A(/"/%B%%-*+,-.B455 :
c. C%-AD+EF(2 <

) G
'
:
2. C2 -H(.!%@%4>/%(#,((-H/"/%
I/
@
J

K
3
NO
−
K
H

+

→

3
Fe
+
K
2
4
SO
−
KGK<

G
Câu 2: (2,0 điểm)
1. 0;&L)M)CB%'(.!>
MK<

JG
7
08
0
t
→
N5LK:::::::: 
OK<

JG
7

08
0
t
→
N5MK:::::::: 
LKM
→
C?K:::: '
2. <&(P%% )9745L*B%DD;!)7G<0#$"5DD;
:
a.Q54"#$%DD; :
 b.Q5(<DD; :
MA<H>(2"@"
1
-1,76
a
K 10=
B
R)

2
a
K
−
=
Câu 3:(2,0 điểm)
1. CSDT(/%"("/:<=(2-UDD;0V-U>C")<JG
7
)
CC"


)L"C"
'
)I/C"
'
)

CG
'
:WA(.!@.*D+%
2. X1DD;%%@<L01%"Y""C)H>(2"@N

B010U""
α
:Z[(
-6!5N

/%\>
α
BC:M]^>V0U"#_
Câu 4:(2,0 điểm)
1. C%(.!LKM
→
CK`
#a"5UB_b014B0#$b4A^.>02*U01
4c0d
Q5U
01%"Y"
Q01%"Y(e
A B

 ) )
7
16,0.10
−
 ) )
7
2,0.10
−
' ) )
7
4,0.10
−
Q5H>014(.!BBA-6!01(.!:C%-A-[(.!f
2.C%>,0>
++ +
+ + +
6
2 2
1 2 3 4 5 7
ACl H O
NaOH NaOH NaOH
A A A A A A A
→ → → → → →
MAL0#$0A-Hg$(^8(%(%)B*

C%"3
0U:
L
R
"&4AB:

0;&L)L

)L

)L
'
)L
7
)L
h
)L
9
)L
R
4ciBA(.!%F
Câu 5(2,0 điểm)
1. `D
j
k#
l

l
%
2
Ca
+
)
Na
+
)

'
<CG
−
B
m

C"
−
)%0%
l
>c
l
%"
n
%
C"
−
&(0c>%"
%
Na
+
:C%1DD
j
k(
n
#
l
B,
l
DD

j
G<D#)0#,
j
74
l

n
:
Y
Đề chính thức
C%1DD
j
k%
m
"
j
(
n
#
l
B,
l
DD
j
CG<

D#)0#,
j
h4
l


n
:X
j

4
l
)
l
0>c0
l

j
DD
j
ko
m
0#,
j
2
l

l
4: 0;;:
2. C%p)qg$( CBI/
'
G
7
DPB_DD;<G
'

"%=)0B4&
0:J4(.!@.%%)0#$h)7"545G>.(\4D&)*04)
DD;rB3"+')94"%+:Cc+DD;r)0#$4: 0;
;:
Câu 6(2,0 điểm)
1. WAc!&+%BF0(2&+%C
7
<
p
C":
2. s.5-H,A(.!)+>%4(2-%)D/"(%(%c#a
-t,G<+%/"-%",")D/"(%(%":
Câu 7(2,0 điểm)
1. <$(&LC<
'
C<G<C<uC<C<
'
70(2"[(6:Wv&e70(2"[(6
0:
2. <=@0;c!&+% )r)w)x%>,0>4ciBA(.!%F

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aùnh saùng ete H O/ H H SO ñaëc, t
Toluen X Y Z R(C H O )→ → → →
Câu 8(2,0 điểm)
1. Qy-/t/B&Bc,)@eiA40)BA>,0(.!F0A
a. meta-"%%-/t/
b. @meta--%-/t%
2. <T(24"C<
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Câu 9(2,0 điểm)
1. N(2%%7')71(/( +*0#$'h)9"Bh)

"@:WAc!&+%6(/( :
2. WAc!AI>,&>
a. 'Jz-%Jz-%":
b. x%'Jz(/%":
Câu 10:(2,0 điểm)
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