Thiết kế bài giảng hóa học 10 nâng cao tập 2 NXB hà nội 2008

VO MINH HA Ji ^ NANG CAO TAP HAI ^^ in IHA XUAT BAN HA NOI I VO MINH H A ^ ^ THIET KE BAI GIANG • NANG CAO - TAP HAI /v' NHA XUAT BAN HA NOI Thiet ke bai giang HOA HOC 10 - TAP HAI, NANG CAO • VU MINH H A NHA XUXT BAN HA N I Chiu trdch nhiem xudt ban: NGUYfiN K H A C O A N H Bien tap: PHAM Q U d c TUAN Vebia: TAO THU HUYEN Trinh bay: THAI SON - SON LAM Sila ban in: PHAM QUOC TUAN In 1000 cuon, khd 17 x 24 cm, tai Cong ty c6 phan in Khoa hoc va Cong nghe m6i Giay phep xuat ban so: 208 - 2007/CXB/46 p TK - 47/HN In xong va nop IL/U chieu qu^ 1/2008 Chitofng NHOM HALOGEN Tiet 47 KHAI QUAT VE NHOM HALOGEN A-MUCTIEU HS biet: - Nhom halogen gom nhOng nguyen to nao Vi tri va vai tro cua chiing bang tuan hoan cac nguyen to hoa hoc - Dae diem chung v6 cau tao nguyen tur, hen ket hoa hoc cac phSn tir halogen - Tinh chat hoa hoc dac trung cua cac halogen la tinh oxi hoa manh - Mot so quy luat bien doi tinh chat vat li, tinh chat hoa hoc ciia cac halogen nhom HS hieu: - Vi tinh chat hoa hoc cua cac halogen bien doi c6 quy luat - Nguyen nhan su bien doi tinh chat phi kim ciia cac halogen la sir bien doi ve cau tao nguyen tir, am dien - Cac halogen c6 so oxi hoa - ; trur flo, cac halogen khac c6 the c6 cac so oxi hoa + 1, + 3, + 5, + la do am dien va cau tao Icfp electron ngoai Cling ciia chung B - CHUAN B! CUA GV VA HS GV: HS: - May chieu, but da, giay Bang tuan hoan cac nguyen to hoa hoc On lai cac kien thiic ve cau tao nguyen tijf, khai niem ve am dien, so oxi hoa Ren luyen ki nang viet cau hinh electron C-TIEN TRINH DAY - HOC Hoat dpng ciia GV Hoqt dpng cua HS Hoqt dpng I NHOM HALOGEN TRONG BANG TUAN (9 phiit) GV: HOAN CAC NGUYEN TO HS: Yeu cAu HS quan sat \ i tri ciia cac Quan sat bang tuan hoan va nhan xet: nguyen to halogen bang tuan hoan Nhom halogen gom cac nguyen to \'a nhan xet (GV chieu cac cau hoi dinh thuoc nhom VII A: huong su quan sat cua HS len man hinh): - Flo (6 so 9, chu ki 2) + Nhom halogen gom nhimg nguyen to - Clo (6 so 17 chu ki 3) nao? - Brom (6 so 35 chu ki 4) - lot (6 so 53 chu ki 5) + Neu vi tri ciia tirng nguyen to - Atatin (6 so 85 chu ki 6) GV: + Gidfi thieu: halogen tieng latinh c6 nghia la sinh muoi + Atatin khong gap thien nhien, no duoc dieu che nhan tao bang cac phan ung hat nhan -^ Nhom halogen duoc nghien ciiu day gom flo, clo, brom, iot Hoat dpng II CAU HINH ELECTRON NGUYEN TlTvA CAU TAO PHAN TU" CUA CAC NGUYEN TO TRONG NHOM HALOGEN (14 phut) GV: HS: Yeu cau cac nhom HS thao luan v6i cac noi dung sau: Thao luan nhom theo cac noi dung ma GV yeu cau: + Viet cau hinh electron lop ngoai cua - Cau hinh electron lofp ngoai cung S cac nguyen to halogen, nhan xet \'e sir cuaiigu>'en tir cac halogen la: ns np giong \a khac \'e cau hinh lop ngoai ciing ciia cac halogen *) So sanh: + Lofp ngoai ciing cua nguyen tir cac halogen deu c6 electron + O trang thai co ban, nguyen tir cac halogen deu c6 electron doc than - Lofp electron ngoai cung ciia flo la lofp nen khong c6 phan Icrp d - Nguyen tir clo, brom, iot c6 phan Icfp d trong, a trang thai kich thich c6 th6 CO 3, hoac electron doc than GV: HS: Goi cac nhom phat bieu y kien, GV - Phan til don chat halogen gom nguyen tir, lien ket v6i bang lien chieu len man hinh ket cong hoa tri khong cue - Cong thiJc phan tir: X2 - Cong thiic cau tao: X - X - Nhan xet so electron doc than d trang thai CO ban va a trang thai kich thich Tir so sanh va giai thich v6 so oxi hoa ciia cac halogen - Viet cong thuc cau tao ciia cac phan tir halogen va nhan xet ve lien ket giira cac nguyen tir - Cong thilc electron: : X : X : Hoqt dpng III KHAI QUAT VE TINH CHAT CUA CAC HALOGEN (20 phiit) 1) Tinh chat vat li: HS: GV: Chieu len man hinh va gidfi thieu mot Nghe va ghi bai so tinh cha't vat li co ban cua cac nguyen to halogen nhu trang thai, mau sac, nhiet nong chay, nhiet soi, am dien 2) Tinh chat hoa hoc: GV: Chieu cac he thong cau hoi len man hinh va goi HS Ian luot tra Idi: - Dua vao cau hinh electron ciia nguyen tir cac halogen, em hay dir doan ve tinh chat hoa hoc co ban ciia cac halogen? Tra Icfi cac cau hoi cua GV - So sanh cac tinh chat co ban ciia cac halogen? - Nhan xet va du doan ve cac so oxi hoa cua flo, clo, brom, iot GV: Chieu va tom tat cac noi dung can tra Idi ciia cac cau hoi tren Hoqt dpng CUNG CO B A I - B A I TAP VE N H A (2 phut) HS: GV: Goi mot HS torn tat lai cac noi dung co Neu lai cac noi dung co ban, khai quat ban ve nhom halogen ve nhom halogen GV: Ra bai tap vi nha: 1, 2, 3, 4, 5, (SGK tr 119) CLO Tiet 48 A-MUCTIEU HS biet: Mot so tinh chat vat li, ling dung, phuong phap dieu che clo phong thi nghiem va cong nghiep Clo la chat doc HS hieu: - Tinh chat hoa hoc co ban ciia clo la tinh chat oxi hoa manh: oxi hoa kim loai, phi kim va mot so hop chat Clo co tinh oxi hoa manh la do am dien Idfn - Trong mot so phan ung clo the hien tinh khii HS van dung: Viet cac phuong trinh hoa hoc minh hoa cho tinh oxi hoa manh va tinh khir cQa clo, phuong trinh hoa hoc cua phan ling dieu che clo phong thi nghiem B - CHUAN Bj CUA GV VA HS GV: - Tranh ve so binh dien phan dung dich NaCl co mang ngan - Hai lo chiJa clo dilu che san, day nap, den con, kep sat C - TIEN TRINH DAY - HOC Hoqt dpng cua HS Hoqt dpng cua GV Hoqt dpng KIEM TRA B A I C U - CHUA B A I TAP VE N H A (5 phiit) GV: HSl: Kiem tra li thuyet HS 1: Tra Idi li thuyet Cau hinh electron nguyen tir cua cac nguyen to nhom halogen co diem gi giong va khac nhau? Tir neu khai quat ve tinh chat ciia cac halogen GV: HS2: Goi HS chira bai tap (SGK 119) GV: Chira bai tap (SGK tr 119) Nhan xet va cham diem Hoqt dpng I TINH CHAT VAT LI CUA CLO (5 phiit) GV: HS: Cho HS quan sat lo thuy tinh chiia clo Neu tinh chat vat li cua clo: —> yeu cau HS quan sat ket hop vofi doc - dieu kien thucmg, clo la chat SGK va neu tinh chat vat li ciia clo mau vang luc, miii xoc, nang hon khong 21 2,5 Ian (d CI -^KK 29 2,5) - Clo tan vura phai nude tao nudfc clo - Clo doc Hoqt dpng 11 TINH CHAT H O A HOC CUA CLO (20 phiit) GV: HS: Yeu cau HS viet cau hinh electron cua Viet cau hinh electron va du doan tinh clo, tra bang am dien va du doan tinh chat hoa hoc co ban cua clo: chat hoa hoc co ban cua clo Cau hinh: 3s^3p^ - Nguyen tu clo d6 thu them electron de tro anion CI: CI + e -^ CI 3s^3p-^ 3s^3p^ - Clo CO am dien 3,16 (nho hon am dien cua flo va oxi Vi vay cac hgfp chat vofi flo, oxi, clo co so oxi hoa duong (+ 1, + 3, + 5, + 7), cac hgfp chat v6i nguyen to khac: clo co so oxi hoa am (-1) - Clo la mot phi kim hoat dong manh, mot so phan ling, clo cung the hien tinh khir Tinh chat hoa hoc cua clo GV: GV gi6i thieu cac tinh chat cua clo va yeu cau HS viet phuong trinh phan ling minh hoa (HS ghi ro so oxi hoa cua cac nguyen to co su thay doi) GV: 1) Tac dung hau het kim loai: 0 + - 2Na + Cl2 ^ N a C l 0 +3 - 2Fe + 3Cl2 ^ F e C l 2) Tac dung v6i hidro: 0 Trong cac phan ling tren, clo the hien H2 + C l - > C tinh khu hay tinh oxi hoa? So oxi hoa Trong cac phan ling o tinh chat 1, 2: clo cua clo tang hay giam? (goi HS tra lofi) the hien tinh oxi hoa GV: 3) Tac dung vofi nudfc va dung dich Hudfng dan HS viet cac phuong trinh kiern: phan ling cua clo vofi nudfc, dung dich H2O+ CI2 ^ - + CI + H C GV: Ggi HS neu dap an va chieu len man hinh Hoqt dpng GV: 2) Can bang he di the (5 phiit) Chie'u len man hinh: HS: xet he can bang sau: Nghe va ghi bai C + CO2 ^ (r) (k) 2C0 (k) Vi ndng ciia cha't ran dugc coi la hang so, nen nd khdng cd mat bidu thiic tinh hang so can bang, nen tacd: Kr = [CO]^ [CO.] GV: Neu y nghia ciia gia tri hang sd can bang Hoqt dpng III SyCHUYEN DICH C A N B A N G H O A HOC (5 phiit) GV: 1) Thi nghiem Chie'u len man hinh: hinh ve md phdng ve su chuyen dich can bang (xet phan ling 2NO2 f^ N2O4) Nau khdng mau GV: HS: Yeu cau HS quan sat va nhan xet Quan sat hien tugng thi nghiem tren man hinh va riit nhan xet: Khi lam lanh d'ng (a), cac phan tii NO2 d'ng da phan ling them de tao N2O4, lam ndng NO2 giam bdt va ndng 143 N2O4 tang len, vi vay: mau cua d'ng (a) nhat hon so vdi d'ng (b) GV: Gidi thieu: hien tugng dd ggi la su chuyen dich can bang hoa hgc Vay: the' nao la su chuyen dich can bang hoa hgc? 2) Dinh nghia GV: HS: Ggi HS phat bieu sau dd GV chieu Phat bieu dinh nghia: khai niem len man hinh Si( chuyen dich can bang hod hgc la su chuyen tii trang thdi can bdng sang trang thdi can bang khdc tdc dpng ciia cdc yeu td ti( ben ngoai len can bdng Hoqt dpng CUNG CO B A I - B A I TAP V E N H A (5 phut) GV: HS: Yeu cau HS lam bai tap (SGK 212) Lam bai tap (SGK 212) Bai tap 3: a) CaCOj ^ CaO + CO2 (r) (r) (k) Kc = [CO2] b) CU2O + - O2 (k) (r) 2CuO (r) Kc=[02]2 c) 2SO2 + O2 2SO3 (k) (k) (k) [SO,]^ K^ = [S02]^.[02] 144 (1) S02 + - 02 C02(k) + H2 (k) Bie't rang neu thuc hien phan iing giira mol CO va mol H2O thi d trang thai can bang cd 2/3 mol CO2 dugc sinh Hang sd can bang cua phan umg la: A B C.4 D.2 Bai tap 4: Xet phan umg CO (k) + H2O (k) ^ C02(k) + H2 (k) (K,b = 4) Ne'u xuat phat tir mol CO va mol H2O thi sd mol COj hdn hgp phan iing dat trang thai can bang la: A 0,5 mol B 0,7 mol C.0,8 mol D 0,9 mol BAI THl/C HANH SO Tiet 85 TOC DO PHAN LfNG VA CAN BANG HOA HOC A-MUCTIEU - Ciing cd cac kien thiic ve cac yeu td anh hudng de'n tdc phan iing va can bang hoa hgc Ren luyen ki nang quan sat, so sanh cac hien tugng thi nghiem va rut ke't luan B - CHUAN B! CUA GV VA HS GV: chuan bi hoa chat va dung cu gdm: 146 1) Hoa chat: - Dung dich HCl 18%, 6% - Zn vien (cd kich thudc gidng nhau) - Dung dich H2SO4 15% - NO2 2) Dung cu: - Gia d'ng nghiem - Ong nghiem: chiec - d'ng nghiem cd nhanh (hoac d'ng nghiem nhanh) - Den - Kep gd C - TIEN TRINH DAY - HOC Hoqt dpng cda GV Hoqt dpng cda HS Hoqt dpng (5 phiit) GV: HS: Ggi HS nhac lai ndi dung li thuyet can Nhac lai cac ndi dung 11 thuyet can cung CO bang cac thi nghiem bai ciing cd: + Cac yeu to anh hudng den tdc phan ling + Cac yeu to anh hudng den can bang hoa hgc Nguyen li losatolie? Hoqt dpng (30 phiit) GV: Hudng dan HS lam thi nghiem, quan sat thi nghiem va ghi lai hien tugng vao tudng trinh theo mlu: 147 Stt Ten thi nghiem Anh huong cua ndng den toe dp phan ling Anh huong cua nhiet den toe phan ung Anh huong cua dien tich be mat chat rdn den tdc dp phan iing Anh huong cua nhiet dp den can bang hoa hpc Cdch tien hdnh Nhan xet Ket luan vd gidi thich (PTPU neu co) Hoqt dpng 3(10 phiit) GV: - Ggi dai dien cac nhdm neu hien tugng va giai thich Sau dd cho HS lam tudng trinh va dgn, rira dung cu, ban thi nghiem - GV nhan xet gid thuc hanh Tiet 86 - 87 ON TAP HOC Kl II A-MUCTIEU - He thdng hoa nhiing kien thiic trgng tam co ban hgc ki II - Ciing cd mdt sd kien thiic, ki nang co ban, giiip HS nam viing ndi dung, chuong trinh ciia hgc ki II - Tie'p tuc ren luyen ki nang lam cac dang bai tap co ban cua bd mdn 148 B - CHUAN Bj CUA GV VA HS GV: May chieu, giay trong, biit da, phieu hgc tap HS: On tap If thuyet C - TIEN TRINH DAY - HOC Hoqt dpng cda GV Hoqt dpng cda HS Hoqt dpng 1) On tap h' thuye't (15 phiit) GV: HS: Yeu cdu cac nhdm thao luan vdi ndi Cac nhdm thao luan ve cac ndi dung dung sau: (GV chieu ndi dung can thao ma GV da chieu len man hinh (ghi vao luan len man hinh) vd va bang nhdm) a) Dan chdt: + Cau tao nguyen tir (ca'u hinh electron) + ca'u tao phan tir + Tinh chat hoa hgc b) Hgp chdt: 1) Hgp chat HX: + Tii HF -> HI: tinh axit thay ddi nhu the' nao? + Tir F~ de'n F : tinh khir thay ddi nhu the' nao? 2) Hgp chat cd oxi: + Cac axit cd oxi cua clo cd cdng thiic nhu the nao? ten ggi? Su bien thien ve tinh oxi hoa, tinh axit ciia chiing nhu the nao? 149 GV: Chieu ndi dung tra Idi ciia cac nhdm len man hinh va nhan xet Hoqt dpng 2) Nhdm oxi - liru huynh (15 phut) GV: HS: Chie'u len man hinh tirng cau hdi ggi y, HS tra Idi cac cau hdi ciia GV: ggi tirng HS tra Idi, GV chieu ndi dung a) Dan chdt: tra Idi len man hinh: - Ca'u tao nguyen tii: ns^2p'^ + Ca'u tao nguyen tir? - ca'u tao phan tir: + ca'u tao phan tir? Oxi: O = O (O2) + Tinh chat hoa hoc? Luu huynh: Sg: cau tao tinh the: Sa; Sp +) Tinh chat hoa hgc: - Tinh chat dac trung la tinh oxi hoa: 2- O + 4e ^ ' S + 2e ^ S' - Tinh khii: S - ne GV: +n S (n = 4,6) b) Map chdt: Viet cac cdng thiic cac hgp chat quan - H2O2: Tinh khii, tinh oxi hoa trgng cua oxi, luu huynh va neu tinh - H2S: Tinh axit yeu va tinh khir chat hoa hgc co ban ciia chiing? Viet - SO2: + Tinh chat ciia oxit axit cac phuong trinh phan iing minh hoa + Tinh oxi hoa va tinh khu cho cac tinh chat dd - SO3: + Tinh chat ciia oxit axit + Tinh oxi hoa - H2SO4: Tinh axit manh, tinh oxi hoa va hao nudc dac 150 Hoqt dpng 3) Tdc phan urng va can bang hoa hgc (13 phiit) GV: Chieu len man hinh cac cau hdi va ggi HS: HS tra Idi Sau dd chieu ndi dung cau Lan lugt tra Idi cac cau hdi ciia GV: tra Idi len man hinh: Tdc phan iing: - Bieu thiic tinh tdc trung binh? AC Bieu thirc tinh tdc dd TB: V=+ At - Cac ye'u td anh hudng de'n tdc phan ling? Cac yeu td dd anh hudng den + Cac ye'u td anh hudng de'n tdc phan tdc phan ling nhu the" nao? ling: - Ndng cac chat - Ap suat (ddi vdi phan umg cd chat khi) - Dien tich tiep xiic - Cha't xiic tac Hoqt dpng GV: Dan dd HS chuan bi cac dangh bai tap cho tiet sau 151 »J» OE THI HOC KY MON HOA I TRAC NGHIEM (5 diem) Qua trinh khir don chat luu huynh la qua trinh: A Luu huynh nhan them e B Luu huynh nhudng di e hoac e C Luu huynh nhudng di e D Luu huynh nhan them e hoac e Mdt phdng cd khdng bi d nhiem bdi mdt lugng nhd clo De lam sach khdng phdng bang phuong phap boa hgc cd the diing: A Khi H2 B Khi O2 C.KhiNH3 D.KhiCH4 Menh de nao sai so cac menh de sau? A Luu huynh don ta va luu huynh ta phuong la dang thii hinh cua nguyen td luu huynh B Khi dun ndng idt chuyen tir the ran sang the hoi khdng qua the long C Hidro sunfua cd tinh khii manh D Luu huynh chi cd tinh oxi hoa Khi oxi cd lan hoi nudc, chat nao sau day la td't nha't de tach hoi nude khoi oxi? A dung dich H2SO4 ^^^ ^ong C dung dich NaOH B Nudc vdi D AI2O3 Cho 15,8 gam KMn04 tac dung hoan toan vdi dung dich HCl dac du, the tich thu dugc d (dktc) la: A 8,96 lit B 0,56 lit C 4,8 lit D 5,6 lit Axit HCl cd the phan iing vdi tat ca cac chat nhdm nao sau day? A CuO, Fe, Mn02 B H2S, NaCl, ZnO C CaC03, Mg, Br2 D Cu, FeO, NaOH Cho phan iing: H2SO4 ^^c nong + Fe -^ Fe2(S04)3 + SO2 + H2O Khi he sd cua tat ca cac chat la so nguyen td'i gian He so axit H2SO4 bi khu va he sd H2SO4 la mdi trudng phuong trinh phan iing la: 152 A va B va C va D va De trung hoa 500ml dung dich X chita hdn hgp HCl 0,1M va H2SO4 0,3M can bao nhieu ml dung dich NaOH 0,5M A 700 ml B 600 ml C 500 ml D 400 ml Nhd vai gigt dung dich AgN03 vao dung dich mudi Natri halogennua tha'y xuat hien ket tua vang nhat Cdng thiic ciia mud'i natri halogennua la: A NaF B Nal C NaCl D NaBr 10 Kim loai X tac dung vdi dung dich HCl sinh H2, din H2 qua oxit kim loai Y nung ndng, oxit bi khii thu dugc kim loai Y X, Y cd the la: A Pb va Cu B Zn va Cu C Fe va Mg D Cu va Ag 11 Phan ling nao dudi day iihdng diing: A H2S + 4CI2 + 4H2O -> H2SO4 + 8HCI B H2S + 2NaCl - ^ Na2S + 2HC1 C 2H2S + 3O2 -^ 2SO2 + 2H2O D H2S + Pb(N03)2 -^ PbS + 2HNO3 12 Nguyen tir nguyen td X cd tong sd electron cac phan ldp p la 10 e nguyen td Xla: A.Cl B.O C Ne D S 13 Sue H2S vao dung dich nao se khdng tao ke't tiia: A AgN03 B Cu(N03)2 C Pb(N03)2 D- Ca(OH)2 14 Dan Clo vao dung dich KOH dam' dac, du va dun ndng, dung dich thu dugc chiia: A KCl, KCIO3 B KCl, KCIO3, KOH du C KCl, KCIO, KOH du D KCl, KOH du 153 15 Chgn mdt thudc thu nhat de phan biet cac dung dich sau: NaCl, Na2S, Nal, NaN03 A H2SO4 B AgN03 C Qui tim D Cu(N03)2 16 Cho phan umg N2 (khi) + Oj (khi) -^ 2N0 (khi) AH>0 (thu nhiet) Can bSng hoa hgc cua phan iing se chuyen theo chieu thuan khi: A Tang ap suat giam ndng NO B Tang nhiet giam ap suat C Giam nhiet do, tang ndng N2, O2 D Tang nhiet do, tang ndng N2, O2 17 Phat bieu nao dudi day khdng diing: A Khi tie'p xiic H2SO4 ^j^^ de gay bdng nang B Khi pha loang H2SO4 dac chi dugc cho tir tii nudc vao axit C H2SO4 jaj la chat hiit nudc manh D H2SO4 loang cd day dii tinh chat chung ciia axit 18 Trong phan iing: Ag20 + H2O2 -^ 2Ag + H2O + O2 Cac chat tham gia phan ling ddng vai tro gi? A Ag20 la chat khir, H2O2 la chat oxi hoa B H2O2 vira la chat khir vira la chat oxi hoa C Ag20 vira la chat khir vira la chat oxi boa D Ag20 la chat oxi hoa, H2O2 la chat khix 19 Cac nguyen td nhdm VI A (trir oxi) deu cd kha nang bdc Id sd oxi hoa la A.+ 4,+ B.-2,0,4-4,+ C -2,0 D - , + 4, + 20 Cho phan iing 2SO2 (khi) + O2 (khi) -^ SO3 (khi) AH = -198KJ (toa nhiet) Can bang chuyen dich sang ben phai neu: A Giam ap suat B Giam nhiet thich hgp va can bang ap suat C Them vao SO3 D Tang nhiet 154 il PHAN TlJ LUAN (5 diem) Hoa tan hoan toan 11 gam hdn hgp kim loai Al va Fe can diing 200 gam dung dich H2SO4 19,6% a Tinh khdi lugng mdi kim loai hdn hgp ban dau b Tinh ndng % mdi mudi dung dich thu dugc sau phan umg Nung ndng gam hdn hgp Magie, luu huynh dieu kien khdng cd khdng thu dugc hdn hgp A Cho A vao dung dich HCl du thu dugc 4,48 lit (dktc) hdn hgp B a Tinh phan % theo khd'i lugng hdn hgp ban dau b Tinh ti khdi hoi ciia B ddi vdi H2 c Dan hdn hgp B vao 75 ml dung dich NaOH 2M thi thu dugc mudi gi? Nang bao nhieu gam? Tat ca cac phan umg cd hieu sua't 100% (cho Fe = 56, Cu = 64, Mg = 24, S - 32, O = 16, H - 1) 155 MUC LUC • • Tiet47 ChiTdng NHOM H A L O G E N Khai quat ve nhom halogen Tiet 48 Clo Tiet 49 Tiet 50 Tiet 51 -52 Tiet 53 -54 Tiet 55 Luyen tap Hidro clorua - axit clohidric Hdp chat c6 oxi cua clo Luyen tap ve clo va hdp chat ciia clo Bai thuc hanh so 3: Tinh chat cCia cac halogen 11 16 23 30 36 Tiet 56 Tiet 57 Tiet 58 Flo Brom lot 39 43 48 Tiet59 Tiet60 Tiet 61 Luyen tap chu'dng Luyen tap chu'dng (tiep) Bai thiic hanh s d : Tinh chat cua cac halogen 53 57 64 Tiet 62 Chirdng N H O M OXI Khai quat ve nhdm oxi 67 Tiet 63 Oxi 72 Tiet64 Tiet65 Tiet66 Tiet 67 Tiet 68 Tiet 69 TietJO TietJl Tiet72 -73 Tiet74 Tiet75 Tiet 76 Ozon va hidro peoxit ' Luyen tap Kiem tra tiet Luu huynh Bai thyc hanh so 5: Tinh chat cua oxi - luU huynh Hidrosunfua Hdp chat c6 oxi ciia luu huynh Hdp chat c6 oxi cua luU huynh (tiep) Hdp chat c6 dxi cua luu huynh (tiep) Luyen tap chu'dng Luyen tap chu'dng (tiep) Bai thiTc hanh so 6: Tinh chat cac hdp chat cua luu huynh 77 83 89 94 100 102 106 111 113 116 120 125 Chifdng TOC OO PHAN C/NG VA CAN BANG HOA HOC Tiet77 Kiem tra tiet 126 Tiet78 Toe dd phan Lfng hda hoc 127 Tiet 79 Tdc dd phan ung hda hgc (tiep) 132 Tiet 80 -81 Can bang hda hgc 135 Tiet82 -83 -84Can bang hda hgc (tiep) 139 Tiet85 Bai thi/c hanh sd 7: Tdc dg phan Cmg va can bang hda hgc 146 Tiet86 -87 On tap hgc kl II 148 De thi hgc ky men Hda 152 156 »™ liiilf «« 20.000 D TKba 'g'i'ngH6alOT2NC Gia: 20.000 d [...]... H2SO4 J — ^ NaHSO4 + HC1 4) HCl + NaOH-H NaCl + H2O 5)4HCld + Mn 02 -^ MnCl2 + CI2 + 2H2O 6)Cl2 + H 2 - -> 2HC1 Bai tap 3: 1) 0 0 a) 2K + CI2 +5 +1 - ->2KC1 -2 b)2KC103 - -> 2KC1 + 3 0 2 t c) K2SO4 + BaCl2 -^ BaS04 + 2KC1 32 - 1 0 - 0 d) 2KBr + CI2 ^ 2KC1 + Bi^ 2) Cac phan ling d phan a b, d la phan ling oxi hoa khir Bai tap 4: 1) 0 2 + Ca(0H )2 - 30" C -> CaOa2 + H2O 2) CaOa2 + 2 H a -^ CaCl2 + O .2. .. Chua bai tap 4 (SGK 125 ) a) +2 0 +3 - 2FeCl2 + C l 2 - ^ 2 F e C l 3 CI2 la chat oxi hoa b) CI2 + SO2 + H2O -^ 2HC1 + H2SO4 CI2 la chat oxi hoa 18 c) 0 - +5 6KOH + 3Cl2->5KCl + KCIO3 + 3H2O CI2: vira la cha't khir vira la chat oxi hoa GV: d) 0 + Ggi HS khac nhan xet —> GV cha'm 2Ca(OH )2 + 2 CI 2 ^ Ca (CI 0 )2 diem + CaCl2 +2H2O CI2: viia la chat khu vira la chat oxi hoa Hoqt dpng 2 I TINH CHAT VAT LI... tap 1, 2, 3, 4, 5, 6 vao vd Sau dd GV ggi mot so HS len chira, hoac chieu bai lam cua HS len man hinh va nhan xet GV: Lam bai tap vao vd Ggi HS vie't phuong trinh phan ling cua bai tap 1 len bang Bai tap 1: chgn B CI2 + 2NaOH - ^ NaCl + NaClO + H2O CI2 + 2NaBr - ^ 2NaCl + Br2 CI2 + 2NaI -^ 2NaCl + I2 Bai tap 2: Phuong trinh phan ling: l)Cl2 + 2Na - -> 2NaCl 2) 2NaCl + 2H2O ^P ^ ^ ) NaOH + CI2 + H2 3)... hoa: + 0 + 2 0 2 HCl + Zn -^ ZnCl2+ H2 + 0 6HC1 +2A1 +3 0 2A1C1 + 3 H 2 b) Axit HCl la chat khii: KCIO3 + 6HCI -^ KCl + 3CI2 + 3H2O MnOo + 4HC1 -> MnCl2 + CI2 + 2H2O HS3: Chiia bai tap 6 (SGK tr 140) Bai tap 6: Cac phuong trinh phan ling: H2 + CI2 - -> 2HC1 HCl + AgN03-> AgCl i + HNO3 Theo phuong trinh (2) 24 (1) (2) nAgCl 7,175 = 0,05 mol 108 + 35,5 theo dau bai: n (-| < n p^ ggi sd' mol CI2 da phan... a -^ CaCl2 + O .2 + H2O 3) 0 2 + 2NaOH ^ NaCl + NaQO + H2O 4) NaQO + 2HC1 -^ NaQ + CI2 + H2O 5) 0 2 + 6K0H ^ ^ Ka03 + 5Ka + 3H2O 6) K a 0 3 + 6 H a ^ K Q + 3 02 + 3H2O GV: Bai tap 5: GV cd the ggi y HS lam bai tap 5 bang cac budc: Phuong trinh phan ling: Mg + C l 2 ^ M g C l 2 (1) - Viet phuong trinh phan ling 2Mg + 0 2 - ^ 2MgO (2) - Dat an so va lap phuong trinh dua 2A1 + 3CI2 -^ 2AICI3 (3) vao so electron... ciia clorua vdi vdi HCl va vdi CO2, H2O (trong khdng khi ^m) -^ GV chie'u lai phuong trinh phan ling len man hinh Vie't phuong trinh phan ling: - Khi tac dung vdi axit HCl, clorua vdi giai phdng khi CI2: CaOCl2 + 2HCI -^ CaCl2 + CI2 + H2O - Trong khdng khi am, clorua vdi tac 27 dung vdi CO2, hoi nude lam thoat ra axit hipocloro: 2CaOCl2 + CO2 + H2O -^ CaC03 + CaCl2 + 2HC10 GV: Ggi HS neu ling dung ciia... 0 CI2 + 2NaBr -^ 2NaCl + Br2 0 _ - 0 CI2 +2NaI ->2NaCl + I2 GV: Cac phan ling tren chiing minh trong nhdm halogen: tinh oxi hoa ciia clo manh manh hon brom va iot 5) Tac dung vdfi chat khii khac: GV: Gidfi thieu: clo oxi hoa dugc nhi6u chat khac (GV hudng dan HS viet phuong trinh phan irng va xac dinh so oxi hoa ciia cac nguyen tir) 0 +4 - +6 Q 2 + 2H2O + S 0 2 ^ 2H CI + H2SO4 +2 +3 Q2 + 2FeCl2^2FeCl3... nude Gia-ven: NaCl + H2SO4 (ran) -> NaHSO.+ HClt (dac) 4HC1 + Mn 02 -> MnCl2 + CI2 (dac) 0 + H2O - + CI 2 + N a O H ^ Na CI + Na CI O + H2O Nir6c Gia-ven b) Kali clorat: 3CL2 + 6K0H -> 5KC1 + KCIO + 3H,0 29 c) Clorua vdi: 0 2 + Ca(OH )2 (k) ^°°^ > CaOa2 + H2O (r) d) Oxi: 2KCIO3 — ^ 2KC1 + 302t GV: Chie'u bai lam ciia mdt so HS len man hinh va nhan xet, cham diem • Bai tap ve nha: 1, 2, 3, 5, (SGK tr 134)... 'M(NaOH) 0,5 ^MCNaCl) - ^MCNaClO) 0,8 = L6M 0,5 HS4: +2 0 +3 - 1 a) 2FeCl2+Cl2^2FeCl3 -> CI2 la chat oxi hoa 0 +4 -1 +6 b) CI2 + SO2 + H2O ^ 2H CI + H2 SO4 -^ CI2 la chat oxi hoa 0 -1 +5 c)6K0H+ 3 C l 2 ^ 5 K C l + KC103 +3H2O -^ CI2 vira la chat oxi hoa, vira la chat khii GV: Ggi cac em HS khac len nhan xet, GV bo xung va cham diem Hoqt dpng 2 11 LUYEN TAP (24 phiit) GV: Chieu bai tap 1 trong phieu hgc tap... HS: Hoan thanh phuong trinh phan ling cho so do: Lam bai tap vao vdf: CL — U HCl - ^ NaCl —^ CI2 BaCL -^^ 1) CI2 + H2 ^ HCl 2) Ba(0H )2 + 2HC1 -^ BaCl2 + 2H2O 3) BaCl2 + Na2S04 -^ BaS04 + 2NaCl Trong cac phan irng tren, phan ling nao 4) 2NaCl + 2H2O ^P^^ ) 2NaCl la phan ling oxi hoa khir? vi sao? 0 0 + CI2 + H2 Trong cac phan dug tren, phan ling 1, 4 la phan ling oxi hoa - khii vi cd su thay doi so' oxi ... B CI2 + 2NaOH - ^ NaCl + NaClO + H2O CI2 + 2NaBr - ^ 2NaCl + Br2 CI2 + 2NaI -^ 2NaCl + I2 Bai tap 2: Phuong trinh phan ling: l)Cl2 + 2Na - -> 2NaCl 2) 2NaCl + 2H2O ^P ^ ^ ) NaOH + CI2 + H2 3)... NaCl, + H2SO4 J — ^ NaHSO4 + HC1 4) HCl + NaOH-H NaCl + H2O 5)4HCld + Mn 02 -^ MnCl2 + CI2 + 2H2O 6)Cl2 + H - -> 2HC1 Bai tap 3: 1) 0 a) 2K + CI2 +5 +1 - ->2KC1 -2 b)2KC103 - -> 2KC1 + t c) K2SO4... BaCl2 -^ BaS04 + 2KC1 32 - - d) 2KBr + CI2 ^ 2KC1 + Bi^ 2) Cac phan ling d phan a b, d la phan ling oxi hoa khir Bai tap 4: 1) + Ca(0H )2 - 30" C -> CaOa2 + H2O 2) CaOa2 + H a -^ CaCl2 + O .2 + H2O