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-aI-^b c ( i0@0OS=0G5o%(%6-0 @'02FO-3X--0F'f (@0Of)*iQ( =0 .( /01%539-p9 @'08@ qO-5,-aI--`%Z0-YS2f k"x-Y4?-OO3O-=539-"#-`q-6-aI- B ( i5% q8X+%+,-(4y%539-"%G-Y@"-8-0/0 ibq)*jS/ 539- "#-0/+%` S-0/539-+n5A5P%-;-`d=bz9+Z{(.( qO- 5,-aI--`%Z0-Yq88;3<=>6?-@T= Câu 7:(2,0 điểm) =0!D:"35P%-; )*-O-5%6p9-0/'/- 8X .( 5d-2;%-0FD0O=5l%+%+,-iQ( Fa`@%`:F;YQ( 3F-0 5l%+%+,-iQ( Z-`>51^=:3956|Q%G/0Z)}Z -`5A%539- -6A+n+%+,-0=04G-O-+%+,--0+3X5^iQ( 2i(2 f= 2f/ |Z40|C;-O-TI6?-5ATD- A@!6F-`)]0-6-m4G@)*r235%-`)]08X+%+,- -I2F( .%FTI002"%G=%!(+3-Uc"/+%+,- /Q DFG/39/@'=0/8FG/39"%G=-Y@)]0%539- Câu 8:(2,0 điểm) 0q/"#"%Ga"F2~/"#"%G8a-<F !"p9-n4G "0/"%Gq8~803X-539-+%+,-S 7"kk+%+,-f( 80+%+,-S -0X+3539-+%+,-f2FD8F;YH S@6+%+,-f)*( =E7"S( 80`@%`:F;Y"%=e),5'+UF5A0O4O i7"f( 80S2 /39F;YH5ZO=,/X`F;Y_24%565ZO=,}`F;Y& %-O-F;Y _2&XFG/39Fa5z%539-B2"8c2B"-O--`=e3<I &Fa =0@"Z }q2~/-O-"%G>| D8AD-FDs5F-I8XO=,H/X` Câu 9:(2,0 điểm) k+•@%`/0'-6A5P%-;539-@--)0@/-'04<5E4% {q → + khaneteMg {Qq → + khaneteCO {((Qq HX + → {(( Ho'04<5E=7k"'18;3<=>TI5P%-; @"'/"/0- 9-`S-I-O-%7G22(-6-`%Z0"Z-Fa^O 02c" -`SO-+W;8X+%+,-S( =0"0-2%539-2"S qb/D+%+,-% 539-4%TI)*@2%539--`v%-<f-I22( .G6"--)0@/=0"# ^bfP%<=0"#^bS/"#6" QdFO-2-I2"-`STI; 8XZ0=Br"/FD s5F- qO-5,-aI--`%Z0-YS Câu 10:(2,0 điểm) Q#/0Z"%G€-6/•Z-`/ 2Q/ 2 .( 2Q.( 2.( 2f=2S// 1 =>)-O-/0Z)}-O-Z-`5A%539-"%G€F; Hn>8y2"aTD:"539-;=0!D:"5A@O-5,4o-6 "d-Y-O-%7G8-6=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-.( /VQ( t → / #VQ/ V ( / Vf= → f= V/ f= VR → R Vf= /VS( → S/$V( S/ 4 → SV/ /V( → /V ( / VB( C → c/V/( V ( 2c5 2c5 P%-; .( : &'. V( t → &' ( V.( .( V( 0 ,xt t → ¬ .( .( V (→ .( P%-;4%'0F]S N( & c &N( c &N( Vc .( 5d-→c.( V N( V& r N( V c &N( →c N( V& 0d- .( V N( & →.( V&VB N( N( V N( & → N( V& 2c5 2c5 Hnl%ŠD"\= VH%+,-.( /"l%ŠD"65} VH%+,-f/ Fa/"5z"%l%ŠD" V+%+,--!/Z/"l%Š6@ Hn.( \="p+%+,--!/Z8X:39 .V.( → .( V . ↑ „)?FD"n=IG .( V.( → .( V.( ↑ V („)?FD"ne- ( V.( → .( V( ↑ V („)?FDFa"n 2c5 \@]8>AD-FD0O=sD:"P%<sD:"-I} sD:"a"T5-!+3 g?@22•/U/39/4G"0/„S/„Q O-TI@T=s-TD:" ƒD:"8 V ( → (V ↑ ƒ @@2c@ S/V(V ( → ‹S/( ŒV ↑ ƒ @2c0d-2c@ ƒD:" V/ → /V ↑ ƒ @2c@ S/VB/ → S// V ↑ ƒ 2c QV/ → 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 + = + = + + = ƒƒƒJ•J@„ 2c5 2c5 Trang 4 ƒƒƒƒƒJ•J• S/QJ C\tFG/39-Y"pF"/0Z=0q/ t"J t r + + J2rrt t"QJ t r + + J2rBt t"S/Jc2rt 2c5 c NTI0@6-\"&'. &'. Vc( V (ˆ .( V&' .( f67"8a5AFb-% .( V( ˆ.( V ( &' .( V( ˆ&'( V.( 2c5 2c5 .G"0/-Y%"0/„&' q ( ~ )"0/ O-3<=>6?- %V( →%( V( ↑ V ( &' q ( ~ V@Ž( →@&'( V@( ↑ VB@ ( ))@@) -6-O-3<=> BVcB@VB)J2 V@)J2 J2K V)@Jr2 ⇒ )@J2„)J2 ⇒ @J ⇒ &' @ ( /Fe 3 O 4 2c5 2c5 B (@0OS=0G5o%(%6-0@'02FO-3X--0F'f J•`ST/-0/05<-I-FaT)\-"# (@0Of)*iQ( =0 .( /01%539-p9@'08@ J•-aI--`%Z0-Yf J „S ( N3<=>6?- ( 0 ,CuO t → ( ( 0 2 4 H SO ;170 C → J J [O] → ( V (( 2c5 2c5 q-6-aI- B ( 25%q8X+%+,-(4y%539-"%G-Y@ "- ‹ Œ ((8-0/0 ⇒ aI-q ‹ Œ (( B QdFO-Fbq)*jS/ 539-"#-0/+%` ⇒ `%Z0q ‹ Œ ((‹ Œ c N3<=>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 ()*TI r 2 .( +- c ( V (→ 3-6TIW .( 5d-0@6-0/( 2.( c (VB .( t → ( VB.( VK ( F-0l%+%+,-iQ( /"+%+,-"`"%'0TI iQ( Vc.( V (ˆi .( VQ.( V .( A/0Z.( +ni(28>i(O-+W8X.( -! FaTI .( Vi(ˆi .( V ( VG8X+%+,-iQ( >-T5P%TI.( 8 2c5 Trang 5 ViQ( V (ˆ ( Vi(VQ( iQ( Vc.( V (ˆi .( VQ.( V .( VG8X+%+,-)=0">-T5P%TI Vf= ˆ f= .( Vf= V (ˆf=V .( VG8X+%+,-f/ -T5P%FaTI 2c5 =0-`)]03-6 c (({ „ c ( „{((o+0 {((V(ˆ{((V ( 2c2c2c2c c (({ V(ˆ c ( V{(( 2rc2c2rc /V(ˆ/V ( 2c2c `)]0Vi(ˆQ%GV ( r" Fr J• {(( J i( JrcBJ2c"0/J ( „ ( zJJc2c"0/„ ( +3J / J2c"0/ C\V" /@'=0/ J2c K J1,035 kg +) " / V" ( J" "%G V" ( V" /@'=0/ V2rcV2c J" "%G V2c V2c J•" "%G J10,3425 kg 2c5 2c5 0S( 80+%+,-f51@6Z0=F;Y=e),65'0O 4O56/S/28\T-6"#=0"%G/"%G-/0=% i-0f( "-6FD)=-I}56/ C\"%G~T/"%G "0"%G=%!0d-"%G@ QdFO-F7"f( X+3"8$-!F;Y-I}"#=0"%G T/"%G4%• O-TI+Z0 S V V/ → S/ ↓ V V( → V ( S/ V V( → S/( S/( V( → S/( S/( t → S/ ( V ( f V V.( → f.( Fa5zF% .o-7/:-%8>FG/39F%_2&/+0S/ ( Z0kS/( ⇒ S/ ( J B2 c2B − = 2"0/ f.( J.( J c2B J2"0/ `.( JS/ V 7FaA-6"%GS/ .( H056"%Ga"T/ "%G-/0=%S// 8X4G"0/J2 J2"0/8"%G~T/ .( 0d- .( 8X4G"0//2"0/ • =39"%G .( J2 2cV2 J5,841 gam F J V J2 ⇒ C f J0,9856 lít • =39"%G .( J2 2cV2 cJ5,467 gam F J V J2 ⇒ C f J0,4928 lít 2c5 2c5 2c5 2c5 K → /c lC o V V/ → / Trang 6 / VQ → khanete Q/ Q/ V( → khanete ((Q/ ((Q/ V/ → (( VQ/ 2c5 S"TI=O)Z-28\ST-I6"Ž( aI--YS-6 +Z{( {( V‹S Œ( → {(( VSV V ( {(( V V → {(( V V '02>-Y"#6"("TI=O)Z->Z0"#6" (( '05P=^bf<S"#6"(( ⇒ J H0J7'0 S J SJ2c"0/ ⇒ Q S J2c2cJ C>S-6TI8X70"#6"(-!T-I6"(0d- ((0d--T aI-S( @ {((( " H A n n J 2 2 J 7@VJ TH 1 @J2J Q S J ⇒ {J ⇒ {/ c -YS/ (( (0d- ( ((0d- ((( TH 2 @J2J„Q S J ⇒ {Jc ⇒ 8a/D TH 3 @J2J„Q S J ⇒ {J ⇒ {/ -YS/(((( 2c5 2c5 2c5 00)#"%G€-6/•Z-`/ 2Q/ 2 .( 2Q.( 2.( 2f=2 S// 803X-=EF%`5P%-0;-O--`2-6"#U.( Fa2 /?-/`+%+,-E"-6-O-0 V 2Q V 2 V 2S/ V 2/ 2.( 2f= 0/39+3+%+,-f/ 80+%+,-E"-O-0=72/0Z)}539-0.( f V V.( ˆf.( $ H%+,--!/Z-6 V 2Q V 2 V 2S/ V 2f V 2/ 2f= 0/39+3+%+,- ( 80+%+,-2/0Z)}539--O-0 V 2Q V 2S/ V 2f V V V( ˆ( $ Q V V( V (ˆQ( $V( f V V( ˆf( $ S/ V V( V (ˆS/( $V( • H%+,--!/Z-6 V 2( 2/ 2f= 0/39+3+%+,-/80+%+,- 2/0Z)}0( ( V V ˆ( •V ( H%+,--!/Z-6 V 2 V 2/ 2f= .W-FD/ +380+%+,-/0Z)}0 f= / Vf= ˆ/ Vf= .%56-a-Z+%+,--!/Z%539-/ F; 2c5 2c5 D:"@O-5,4o-6"d-Y-O-%7G8-6=0/%-0•< 5 Chú ý: Học sinh làm cách khác nếu đúng vẫn cho điểm tối đa. Trang 7 Cy>52 F0?-2c5 qO-5,539- --)02c5 qO-5,539- 5=02c5 (xác định C, H có thể dùng cách khác không nhất thiết phải theo hình vẽ) . Sở Giáo dục và đào tạo thanh hoá Kỳ thi học sinh giỏi CP tỉnh Nm hc: Mụn thi: HểA HC Lp 12 -THPT khụng k thi gian giao thi ny cú 10 cõu, gm 02 trang Cõu 1:(2,0 im) !"#"$%&' ( )*+%+,- .( /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"aTD:"539-;=0!D:"5A@O-5,4o-6 "d-Y-O-%7G8-6=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;