ĐỀ thi học sinh giỏi chính thức năm 2014 môn hóa đề (3)

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ĐỀ thi học sinh giỏi chính thức năm 2014 môn hóa đề (3)

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Sở Giáo dục và đào tạo thanh hoá Kỳ thi học sinh giỏi CP tỉnh Nm hc: Mụn thi: HểA HC Lp 12 -THPT khụng k thi gian giao thi ny cú 10 cõu, gm 02 trang Cõu 1:(2,0 im) !"#"$%&' ( )*+%+,- .( /012+324%567"80/39+3+% +,-( 7%:3988;3<=>6?- =#@"0/A/ B (80C /D+%+,-/ E5# "0//8FG /39=7H /%539-C /D+%+,-/ E5# "0//8FG/39=7H / 1-I"@J K V C D V C D C D Cõu 2:(2,0 im) 6LF;-0=*MN3<O-%5A5P%-;Q( Q%#-6"RRS=0)T %U0/-0+%+,--IQ V O-+W8X+%+,-"%G--)0-YF"/0ZFP"[ 1 \@]^D-542-0D+W-WALF;=7 H%+,-_-I-O-0 V 2 V 2( 8/ 2=0564G"0/-Y0/ `5a4G "0/-Y0 V 0"#b+%+,-_TI8X+%+,-(+32%539-"F;Y 0"#b+%+,-_-!/ZTI8X+%+,-( +32%539-c"F;Y Qd FO-2;%5%4a5;-Z+%+,-_>%539-""-`=eF DO=,-Y" Cõu 3:(2,0 im) 0-O-3<=>TI4% /tinh th) V .( (c) t SVf SVQ( 0 t VHV_ Vf= &Vg &VR VR gVS( hVi h 4 jV SV( gV_ V( C gVQV_ k%7/:%-DE"l%d c &N( 2=4e&'. 2FaFD83X- 1 8;-O-3<=>6?-5P%-;^/^.%'0F] Cõu 4:(2,0 im) m+nl%>D"21^):-O-+%+,-),"`15o=7):.( 2 ( 2 .( 2f/ 2 . p9qE"2S/2Q ;D:"4% D:"0""q803X-+3%5o<-C/DFD D:"0""q80+%+,-(+3%539-rC/DFD D:"0""q80+%+,-/+3%539-KC/DFD f;-O-AD-FD5P%539-50s5F-8-03QFaO-+W8X3X-8FP" DtFG/39-Y"pF"/0Z=0q Cõu 5:(2,0 im) uv8nU-O-8ml%d=4e25`3),-%8-IP%4e2-Y;%/ +0l%O=>0@6-\")s0@FaFDF-63X-s5^-O-%7G),0@65;=Z O0@6-0` AFe-W-233)68aa805` 18;-O-3<=> 6?-5A"? 02"p9E"%8"#0@D4e=0/39+3+%+,-( %539- +%+,-S8B2r/DFD(5F- a-Z+%+,-S%539-r2""%GF-Y&'8 % qO-5,-aI--Y0@D4e Trang 1 .G)O0+ wwwwwwww Câu 6:(2,0 điểm)  `S-6-aI-^b c   ( i0@0OS=0G5o%(%6-0 @'02FO-3X--0F'f (@0Of)*iQ(  =0  .(  /01%539-p9 @'08@ qO-5,-aI--`%Z0-YS2f  k"x-Y4?-OO3O-=539-"#-`q-6-aI-   B (  i5% q8X+%+,-(4y%539-"%G-Y@"-8-0/0 ibq)*jS/    539- "#-0/+%` S-0/539-+n5A5P%-;-`d=bz9+Z{(.(   qO- 5,-aI--`%Z0-Yq88;3<=>6?-@T= Câu 7:(2,0 điểm)   =0!D:"35P%-;    )*-O-5%6p9-0/'/- 8X  .(  5d-2;%-0FD0O=5l%+%+,-iQ(  Fa`@%`:F;YQ(  3F-0    5l%+%+,-iQ(  Z-`>51^=:3956|Q%G/0Z)}Z -`5A%539-    -6A+n+%+,-0=04G-O-+%+,--0+3X5^iQ(  2i(2 f=  2f/  |Z40|C;-O-TI6?-5ATD-  A@!6F-`)]0-6-m4G@)*r235%-`)]08X+%+,- -I2F( .%FTI002"%G=%!(+3-Uc"/+%+,- /Q DFG/39/@'=0/8FG/39"%G=-Y@)]0%539- Câu 8:(2,0 điểm) 0q/"#"%Ga"F2~/"#"%G8a-<F !"p9-n4G "0/"%Gq8~803X-539-+%+,-S 7"kk+%+,-f(  80+%+,-S -0X+3539-+%+,-f2FD8F;YH S@6+%+,-f)*(  =E7"S(  80`@%`:F;Y"%=e),5'+UF5A0O4O i7"f(  80S2 /39F;YH5ZO=,/X`F;Y_24%565ZO=,}`F;Y& %-O-F;Y _2&XFG/39Fa5z%539-B2"8c2B"-O--`=e3<I &Fa =0@"Z   }q2~/-O-"%G>|   D8AD-FDs5F-I8XO=,H/X`  Câu 9:(2,0 điểm)  k+•@%`/0'-6A5P%-;539-@--)0@/-'04<5E4% {q  → +   khaneteMg {Qq  → +    khaneteCO {((Qq HX + → {(( Ho'04<5E=7k"'18;3<=>TI5P%-; @"'/"/0-  9-`S-I-O-%7G22(-6-`%Z0"Z-Fa^O 02c" -`SO-+W;8X+%+,-S(  =0"0-2%539-2"S qb/D+%+,-% 539-4%TI)*@2%539--`v%-<f-I22( .G6"--)0@/=0"# ^bfP%<=0"#^bS/"#6" QdFO-2-I2"-`STI; 8XZ0=Br"/FD  s5F- qO-5,-aI--`%Z0-YS Câu 10:(2,0 điểm)  Q#/0Z"%G€-6/•Z-`/  2Q/  2  .(  2Q.(  2.(  2f=2S//  1 =>)-O-/0Z)}-O-Z-`5A%539-"%G€F;   Hn>8y2"aTD:"539-;=0!D:"5A@O-5,4o-6 "d-Y-O-%7G8-6=0/%-0•< ‚ Chú ý: Thí sinh không được sử dụng bảng tuần hoàn các nguyên tố hóa học Cho: Ca = 40; Na = 23; H =1; O = 16; C = 12; Cl = 35,5; Al = 27; Mg = 24; Cu = 64; N = 14; Fe = 56; K = 39; Ba = 137; Ag = 108; S = 32  Trang 2 Sở Giáo dục và đào tạo thanh hoá HNG DN CHM Kỳ thi học sinh giỏi CP tỉnh Nm hc: Mụn thi: HểA HC Lp 12 -THPT khụng k thi gian giao ỏp ỏn ny cú 10 cõu, gm 02 trang Cõu í Ni dung im Q$%0@;2+%+,--6"%8^% 7"( 2-6FDFa"%) =26^%=0FaFD gTD- &' ( V V &' V V&' V V ( &' V V( V V &' V V( V ( (V( ( 2c5 2c5 -6K@VC H JC H 8@VC JC K@ VC H JC H 8@ H VC H JC H K@ VC H J@ H VC H @J K V C D V C D C D 5 N3<O517%-m58X8:-5P%-;"%G--)0-Y-O-F"/0Z2 f2.=Fa5-08:-5P%-;-O-"%G--)0-YQ2f' 2c5 D+W5A-6Q( 8>-0Q V O-+W8X+%+,- ( 3T +nTI Q/ V( Q( V/V (V( .s+38\8>=O@T=TI ( V ( ( V( Q V V( Q( H0 Q( Q( 2c5 i-0+%+,-_O-+W8X(+30d-( +3>5P%-63< =>04% ( V( ( V ( V V( ( C>FG/39F;Y%539-F-0+%+,-_O-+W8X( /X< F-0+%+,-_O-+W8X(7sD:"8X(>( +3 -! V ;2sD:"8X( >( ;-! V +3 2c5 '03<=>2>=0+%+,-_-6 2 Ca n n + = = "0/ 2c CO HCO n n n = = = "0/ 38\2=0+%+,-_E" V 2"0/( 2"0/ V @"0// @"0/ '0)T005:D-2 V@J2V@@J2B"0/ i5%4a5;-Z+%+,-_>@T=TI V V( ( V( V ( f5U%22 NTI2c22c2c2c .%I22c2c2c " =e J + + + + + CaCO Ca du Na Cl m m m m J2 V2B V2 c2cV2c J11,84 gam. 2c5 Trang 3   /(tinh thể)V  .(  (đặc) t → /#V  .(  0d-.(   /VQ(  t → /  #VQ/  V  ( /  Vf= → f=  V/ f=  VR → R  Vf= /VS(  → S/$V(  S/ 4 → SV/  /V( → /V  ( /  VB(   C → c/V/(  V  ( 2c5 2c5  P%-;  .(  : &'.  V(   t → &'  (  V.(  .(  V(   0 ,xt t → ¬  .(  .(  V  (→  .(  P%-;4%'0F]S  N(    &   c &N(     c &N(    Vc  .(  5d-→c.(  V  N(  V& r  N(  V c &N(    →c  N(    V& 0d-  .(  V  N(    &  →.(  V&VB  N(    N(  V  N(    &  →  N(    V& 2c5 2c5   Hnl%ŠD"\= VH%+,-.(  /"l%ŠD"65} VH%+,-f/  Fa/"5z"%l%ŠD" V+%+,--!/Z/"l%Š6@ Hn.(  \="p+%+,--!/Z8X:39   .V.(   →   .(  V  . ↑ „)?FD"n=IG   .(  V.(   →   .(  V.(  ↑ V  („)?FD"ne-   (  V.(   →   .(  V(  ↑ V  („)?FDFa"n 2c5  \@]8>AD-FD0O=sD:"P%<sD:"-I} sD:"a"T5-!+3 g?@22•/U/39/4G"0/„S/„Q O-TI@T=s-TD:" ƒD:"8 V  ( → (V  ↑ ƒ @@2c@ S/V(V  ( → ‹S/(  ŒV  ↑  ƒ @2c0d-2c@ ƒD:" V/ → /V  ↑  ƒ @2c@ S/VB/ → S//  V  ↑ ƒ 2c QV/ → Q/  V  ↑ cƒ •• -6:3<=> 0,5 1,5 (*) 22,4 7 1 0,5 1,5 . (**) 4 22,4 9 1 0,5 1,5 . (* **) 4 22,4 v x x v x y v x y z  + =    + =    + + =   ƒƒƒJ•J@„ 2c5 2c5 Trang 4 ƒƒƒƒƒJ•J• S/QJ C\tFG/39-Y"pF"/0Z=0q/ t"J   t   r   + + J2rrt t"QJ   t   r   + + J2rBt t"S/Jc2rt 2c5 c  NTI0@6-\"&'.   &'.  Vc(  V  (ˆ  .(  V&'  .(    f67"8a5AFb-%   .(  V(  ˆ.(  V  ( &'  .(    V(  ˆ&'(  V.(  2c5 2c5  .G"0/-Y%"0/„&' q ( ~ )"0/ O-3<=>6?- %V(  →%(    V( ↑ V  (  &' q ( ~ V@Ž(  →@&'(    V@( ↑ VB@  ( ))@@) -6-O-3<=> BVcB@VB)J2 V@)J2 J2K V)@Jr2 ⇒ )@J2„)J2 ⇒ @J ⇒ &' @ (  /Fe 3 O 4 2c5 2c5 B  (@0OS=0G5o%(%6-0@'02FO-3X--0F'f J•`ST/-0/05<-I-FaT)\-"#  (@0Of)*iQ(  =0  .(  /01%539-p9@'08@ J•-aI--`%Z0-Yf    J  „S  (  N3<=>6?-     (   0 ,CuO t →     (       (   0 2 4 H SO ;170 C →     J       J  [O] →    (  V  (( 2c5 2c5  q-6-aI-   B (  25%q8X+%+,-(4y%539-"%G-Y@ "-  ‹  Œ  ((8-0/0 ⇒ aI-q  ‹  Œ  (( B   QdFO-Fbq)*jS/    539-"#-0/+%` ⇒ `%Z0q  ‹  Œ  ((‹  Œ c   N3<=>6?-   ‹  Œ  ((‹  Œ c   V( →   ‹  Œ  ((V  ‹  Œ c (   ‹  Œ  ((‹  Œ c     LiAlH →   ‹  Œ c (   ‹  Œ c (V  .(  5d- →   ‹  Œ c (.(  V  (   ‹  Œ c (.(  V( →   ‹  Œ c (.(  V  ( 2c5 2c5 r  P%-;    k-0/   c ()*TI    r 2 .( +-  c      (   V (→ 3-6TIW  .(  5d-0@6-0/(  2.(      c (VB  .(   t → (  VB.(  VK  ( F-0l%+%+,-iQ(  /"+%+,-"`"%'0TI iQ(  Vc.(  V  (ˆi  .(  VQ.(  V  .(   A/0Z.(  +ni(28>i(O-+W8X.(  -!    FaTI .(  Vi(ˆi  .(  V  ( VG8X+%+,-iQ(  >-T5P%TI.(  8     2c5 Trang 5     ViQ(  V  (ˆ    (  Vi(VQ(   iQ(  Vc.(  V  (ˆi  .(  VQ.(  V  .(   VG8X+%+,-)=0">-T5P%TI     Vf=  ˆ    f=   .(  Vf=  V  (ˆf=V  .(   VG8X+%+,-f/  -T5P%FaTI  2c5  =0-`)]03-6   c (({  „   c (  „{((o+0 {((V(ˆ{((V  ( 2c2c2c2c    c (({  V(ˆ   c (  V{(( 2rc2c2rc /V(ˆ/V  ( 2c2c `)]0Vi(ˆQ%GV  ( r" Fr J• {(( J i( JrcBJ2c"0/J ( „ ( zJJc2c"0/„  ( +3J / J2c"0/ C\V" /@'=0/ J2c K   J1,035 kg +) " / V" ( J" "%G V" ( V" /@'=0/ V2rcV2c    J" "%G V2c    V2c J•" "%G J10,3425 kg 2c5 2c5    0S(  80+%+,-f51@6Z0=F;Y=e),65'0O 4O56/S/28\T-6"#=0"%G/"%G-/0=% i-0f(  "-6FD)=-I}56/  C\"%G~T/"%G "0"%G=%!0d-"%G@  QdFO-F7"f(  X+3"8$-!F;Y-I}"#=0"%G T/"%G4%• O-TI+Z0 S V V/   → S/ ↓   V V(   →   V  ( S/ V V(   → S/(  S/(  V(   → S/(    S/(   t → S/  (  V  (  f V V.(    → f.(  Fa5zF% .o-7/:-%8>FG/39F%_2&/+0S/  (  Z0kS/(  ⇒ S/  (  J B2 c2B  − = 2"0/ f.(  J.(   J c2B  J2"0/ `.(   JS/ V 7FaA-6"%GS/  .(    H056"%Ga"T/ "%G-/0=%S//  8X4G"0/J2 J2"0/8"%G~T/    .(  0d-   .(  8X4G"0//2"0/ • =39"%G    .(  J2 2cV2 J5,841 gam  F J  V  J2 ⇒ C f J0,9856 lít • =39"%G  .(  J2 2cV2 cJ5,467 gam  F J  V  J2 ⇒ C f J0,4928 lít 2c5 2c5 2c5 2c5 K      → /c lC o     V      V/ →   /  Trang 6   /  VQ  → khanete   Q/    Q/  V(    → khanete   ((Q/    ((Q/  V/ →   ((  VQ/  2c5  S"TI=O)Z-28\ST-I6"Ž( aI--YS-6 +Z{(  {(  V‹S    Œ( → {((    VSV  V  ( {((    V V → {((  V  V  '02>-Y"#6"("TI=O)Z->Z0"#6" (( '05P=^bf<S"#6"(( ⇒ J H0J7'0 S J   SJ2c"0/ ⇒ Q S J2c2cJ C>S-6TI8X70"#6"(-!T-I6"(0d- ((0d--T aI-S( @ {(((  " H A n n J 2 2 J 7@VJ TH 1 @J2J Q S J ⇒ {J ⇒ {/   c -YS/  ((  (0d-   (  ((0d-  ((( TH 2 @J2J„Q S J ⇒ {Jc ⇒ 8a/D TH 3 @J2J„Q S J ⇒ {J ⇒ {/ -YS/(((( 2c5 2c5 2c5   00)#"%G€-6/•Z-`/  2Q/  2  .(  2Q.(  2.(  2f=2 S//  803X-=EF%`5P%-0;-O--`2-6"#U.(  Fa2 /?-/`+%+,-E"-6-O-0 V 2Q V 2 V 2S/ V 2/  2.(   2f=  0/39+3+%+,-f/  80+%+,-E"-O-0=72/0Z)}539-0.(   f V V.(   ˆf.(  $ H%+,--!/Z-6 V 2Q V 2 V 2S/ V 2f V 2/  2f=  0/39+3+%+,-   (  80+%+,-2/0Z)}539--O-0 V 2Q V 2S/ V 2f V   V V(   ˆ(  $ Q V V(   V  (ˆQ(  $V(   f V V(   ˆf(  $ S/ V V(   V  (ˆS/(  $V(  • H%+,--!/Z-6 V 2(   2/  2f=  0/39+3+%+,-/80+%+,- 2/0Z)}0(   (   V V ˆ(  •V  ( H%+,--!/Z-6 V 2 V 2/  2f=  .W-FD/  +380+%+,-/0Z)}0 f=  /  Vf=   ˆ/  Vf=  .%56-a-Z+%+,--!/Z%539-/ F; 2c5 2c5  D:"@O-5,4o-6"d-Y-O-%7G8-6=0/%-0•< 5 Chú ý: Học sinh làm cách khác nếu đúng vẫn cho điểm tối đa. Trang 7 Cy>52 F0?-2c5 qO-5,539- --)02c5 qO-5,539- 5=02c5 (xác định C, H có thể dùng cách khác không nhất thiết phải theo hình vẽ) . Sở Giáo dục và đào tạo thanh hoá Kỳ thi học sinh giỏi CP tỉnh Nm hc: Mụn thi: HểA HC Lp 12 -THPT khụng k thi gian giao thi ny cú 10 cõu, gm 02 trang Cõu 1:(2,0 im) !"#"$%&' ( )*+%+,- .( /012+324%567"80/39+3+% +,-( . 32  Trang 2 Sở Giáo dục và đào tạo thanh hoá HNG DN CHM Kỳ thi học sinh giỏi CP tỉnh Nm hc: Mụn thi: HểA HC Lp 12 -THPT khụng k thi gian giao ỏp ỏn ny cú 10 cõu, gm 02 trang Cõu í Ni dung. Hn>8y2"aTD:"539-;=0!D:"5A@O-5,4o-6 "d-Y-O-%7G8-6=0/%-0•< ‚ Chú ý: Thí sinh không được sử dụng bảng tuần hoàn các nguyên tố hóa học Cho: Ca = 40; Na = 23; H =1; O = 16; C = 12; Cl = 35,5; Al = 27;

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