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Fڵλã(y) > ߿ > ߿֪Rc(din) > ߿W(xu)֪Rc(din) > лW(xu)̲ij(sh)򞿂Y

лW(xu)̲ij(sh)򞿂Y

(li)ԴW(wng)j(lu ) 2009-09-08 15:18:22

W(xu)(sh)ڸ߿}ıԽ(li)ԽĿǰ߿(sh)}c(din)жһͻ錍(sh)ĻA֪Rͻͻ錍(sh)̽@һc(din)ڿԇV_Ҫn(sh)ɞ鿼W(xu)(sh)̽}dwn(sh)ҪԾͲԶᘌĿǰ(sh)ڽ̲еķֲ^ɢW(xu)yյĬFҽM˽MώM(jn)Fl(f)oゃ

һһ|(zh)ȵҺ

100mL1.00mol/LNaOHҺ

1E1Ӌ 2Q(chng)4.0gһλС3ܽ⣨4DƣҺsҜغDƣ5ϴ 6ݣsˮעƿҺx̶Ⱦ(xin)1—2cmr(sh)z^ιܵμsˮҺc(din)c̶Ⱦ(xin)ͬһˮƽ(xin)ϣ7uwƿu 8bƿN˺ ˺עˎƷQ(chng)

2  ÃxɲE(xi)x

бP(pn)ƽˎͲ100mLƿz^ι

3  ע헣

(1) ƿֻһ(g)̶Ⱦ(xin)ҘʹÜضȺҎֻƿҎݷeҺʹÜضȺҎ߀еζͲ

(2) Ҋ(jin)ƿ50 mL100mL250mL500mL1000mL480mLc240mLҺքe500mLƿ250mLƿ(xi)Ãxr(sh)ƿעҎбP(pn)ƽ܌(xi)бP(pn)

(3) ƿʹ֮ǰ횲©ƿ?j)ȼˮƿʳָסƿһֵָֻסƿƿ^(gu)(li)粻©ˮƿD1800oٵ©ˮʹҺ©cζʹǰҲҪ©

(4)}ǶȣһӋĹwҺwǃxȱʧcxnj(sh)`

Fe(OH)3zwƂ䣺

1EˮмFeCl3Һ^mҺʼtɫֹͣӟ

Ҫc(din)IJڼ͵FeCl3Һtɫֹͣӟ

2漰ĻW(xu)ʽFe3++3H2O Fe(OH)3zw+3H+

{֮һõ̖{֮ǘzwdz{֮Ǽӟ

3}ǶȣƲExӷʽĕ(sh)(xi)

1 Eϴ——պ——ϴ—

2 ԓ(sh)KzFz

3 ɫdž|(zh)Ҳǻ|(zh)

4 Na K ɫSɫɫ͸^(gu){ɫ⒲

5 ij|(zh)ɫSɫһNa K

6}Ƕȣ(sh)ENa K ɫ

Fe(OH)2Ƃ䣺

1(sh)F󣺰ɫDҾGɫ׃ɼtɫ

2W(xu)ʽ飺Fe2++2OH-=Fe(OH)2  4e(OH)2+O2+2H2O= 4e(OH)3

3ע헣1ÁF}ҺƵNaOHҺ2ζ횲Һ2ҺһĤ籽ʳ͵ȣԷֹ

4}ǶȣƂ^(gu)еĬFʽ(sh)(xi)P(gun)ȡʩԭ

Ƃ䣺

1Eԇм3—5mLNa2SiO3Һ1—2η̪Һz^ιμϡ}߅߅ʎҺɫ׃\ӽʧr(sh)ֹͣ

2F͸Ĺzγ

3W(xu)ʽNaSiO3+2HCl= H2SiO3↓+2NaClᣩ

4 NaSiO3ҺSiO32-ˮ@AĶʹ̪ԇҺʼtɫ

Ҫxӵęz򞣺

1Cl-ęz򞣺AgNO3ҺټϡɲϡHNO3İɫȼữҺųCO32-ɔ_ٵμAgNO3Һаɫtf(shu)Cl

2SO42-ęz򞣺ȼ}аɫM(jn)^(gu)VڞVҺټBaCl2ҺɰɫCo(w)tҺֱӵBaCl2ҺM(jn)Йz

}, ȣz򞷽sϴ켰P(gun)ȵӋ

Č(sh)Ʒ

1ԭ 2NH4Cl+Ca(OH)2 CaCl2+2NH3↑+2H2O

2ռſ՚ⷨܿһF޻՚⌦

3M(mn)ٌ񝙵ļtɫʯԇԇܿԇ׃{f(shu)ռM(mn) ڌպН}IJԇܿFןtCռM(mn)

4﷽AʯҸܟo(w)ˮȻ}

5bÈDw͹wӟƚwbcͬ

չⰱˮ@ҺεʯһAưⰱˮֱӼӟҲư

6}Ƕȣ򰱚ЌW(xu)W(xu)(sh)ȡwΨһČ(sh)λɹҪǶȞ飺ԭռPM(mn)Դ˻AM(jn)|(zh)̽(sh)

Ȫ(sh)

1(sh)ԭOˮDz^ι

ˮܽİ⣨1700ʹƿ?j)ȉѸٜpС

≺еˮğƿ

NH3HCl HBr HI SO2 

wˮγɇȪ

2(sh)F󣺮a(chn)tɫȪˮγɉAҺ̪A@tɫ

3(sh)P(gun)Iٰ⑪M(mn)  ڟƿ   bò©

4(sh)չCO2H2SCl2 cˮγɇȪcNaOHҺγɇȪ

~cᷴČ(sh)

1(sh)ԭCu+2H2SO4() CuSO4+SO2↑+2H2O

2F󣺼ӟ֮ԇеƷtҺɫ

ԇеɫʯԇҺ׃tҺʢˮğҺɺɫ׃{ɫ

3ԭ?zhun)׃ڵ|(zh)鱻CuOCuOc_ϡᷴCuSO4Һ

ʾڴ˷~zڼr(sh)pȾ

}ǶȣSO2|(zh)a(chn)̽“GɫW(xu)”β̎

ʮXᷴ

1(sh)EFmX۾Ϻڼ©ڻ⛹wgһɰĥ^(gu)Vlc(din)ȼ

2(sh)Fҷl(f)ҫ۵Ĺâa(chn)ğ©мtB(ti)Һl(f)ȵļɳҺs׃?yu)ɫw

3W(xu)ʽFe2O3+2Al 2Fe+Al2O3

4ע헣

1ҪôĥVlĤtyc(din)ȼ

2©ȵļ©ҪһЩˮԷp©

3l(f)Ҫ|mļɳһǷֹl(f)ըǷֹڵҺwR

4(sh)bòҪֹ̫ʹ܂

5}Ƕȣ(sh)EW(xu)ʽ

ʮһк͟ግ(sh)򞣨˽⣩

1cAl(f)кͷ1 molˮr(sh)ጷŵğ

ע⣺1AքeǏA ķʽH++OH-=H2O H=-57.3KJ/mol

2̶ֵ׃cȼһ_ĺxֱ_r(sh)̖ؓ

2к͟Ĝyע헣

1˜p`횴_Mܵٓpʧ(sh)؏̓ɴȥyƽֵӋ

2˱CAȫкͳH+OH-^(gu)ķ

3(sh)ʹAN^(gu)x(hu )ʹyõк͟ᔵֵƫС

ʮAк͵ζ(sh)򞣨˽⣩һԪcһԪAк͵ζ

1ԭCV=CAVA

2Ҫ󣺢ٜʴ_ywe.  ڜʴ_ДζKc(din)

3ʽζ͉ܺAʽζܵĘ죺0̶ڵζܵ϶עҺwҕxֵƫ ʹõζܕr(sh)ĵһDz© ۵ζxr(sh)ӛ䛵Сc(din)λ ܵζr(sh)һ÷̪׻ָʾʯԇҺAʽζܻܲԵ|(zh)һʽζʢb

4E0.1 molL-1}ζδ֪ȵĚcҺ

ٲ©ϴϴ

bҺs{ҺעҺFƿУ

۵ζ۾עҕFƿҺҺɫ׃εһҺɫl(f)@׃Ұ犃Ȳ׃ɫζKc(din)

5}ǶȣζܵĽYxк͵ζԭ

ʮȉAI(y)

1(sh)ԭ늽͵ʳ}ˮ늘O飺2NaCl+2H2O 2NaOH+H2↑+Cl2↑

2ã늽xӷʽ2Cl-+2H2O 2OH-+H2↑+Cl2↑ꎘOa(chn)H2NaOHꎘO늽H+ˮxa(chn)ꎘOˮxƽⱻƉꎘO^ҺʉAꎘO^Ύ׵η̪ԇҺɰl(f)FꎘO^Һ׃t(yng)Oa(chn)Ț񝙵KIԇ(yng)Oԇ׃{

3}ǶȣɘOa(chn)Дa(chn)|(zh)P(gun)늽ԭ

ʮ僣

1僵ԭc늽ԭͬ僕r(sh)һú僌ӽ(yng)xӵ늽|(zh)ҺҺѴ僽ƷҺcֱԴؓOBꎘO僌ӽ(yng)OcֱԴOB(yng)Oܽɞ(yng)xꎘO@ЩxꎘOϵӱ߀ԭɽw僼ı

2僳صĽMɣ僽ƷꎘO僌ӽ(yng)O僌ӽxӵҺҺ(yng)OM – ne- =Mn+M(jn)ҺꎘOMn+ + ne- =M僼ϳe٣

ʮ~ľ

1늽ⷨ~ԭ

(yng)O~Cu-2e-=Cu2+Fe-2e-=Fe2+

ꎘO (~)Cu2++2e-=Cu

2(wn)}Ľ?zhun)~ڻ늘O늽r(sh)(yng)Oϰl(f)ܽ~кZnNiFeAgAuȶNs|(zh)s|(zh)~(yng)Oܽr(sh)λڽٻ(dng)~ǰĽs|(zh)ZnNiFeҲ(hu )ͬr(sh)ʧȥ(yng)xӵ~xyԱ߀ԭԲꎘOϵֻ늽Һλڽٻ(dng)Ա~֮ys|(zh)ʧȥӵ~y(yng)Oʧȥ׃(yng)xܽԽن|(zh)ʽe늽۵γ(yng)Oࣨ(yng)O្yFؽٵԭϣ

3}ǶȣԭҺxӝȵ׃

ʮuNuԭӵęz򞷽ȡȥ

1(sh)򞲽E

2ɫuԭӞ\SɫuԭӞSɫuԭӞ

3uNǘOIγɵĹr(ji)ֻuԭo(w)uxAgNO3ֻcX—a(chn)ȫAgXʱʹuNе—XD׃?yu)X—ٸAgXɫc|(zh)(li)_uNuԭӵķN(li)͔Ŀ

4yҺ֮ǰ횼ữк͵ҺеĉAҺ

5KMnO4ҺCȥa(chn)ϩr(sh)ҪעͨˮгȥҴͨKMnO4ҺҲˮֱәz򞣨tͨˮУ

ʮϩČ(sh)Ʒ

1ȡԭC2H5OH CH2=CH2↑+H2O

2ҺҺӟc(sh)ȚƷͬ

3ã߻Óˮ

4ע헣Ҵ͝weȞ13

 Ҵע߅ע߅

ۜضӋˮy嵽Һ

ܷضҪѸߵ170

ԓ(sh)Е(hu )a(chn)a(chn)SO2,ʙzϩr(sh)һÉAҺȥSO2ͨKMnO4ˮ

5ܰl(f)ĸ

C2H5OH CH2=CH2↑+H2O  C2H5-OH+ HO-C2H5 C2H5OC2H5+H2O

C+2H2SO4() CO2↑+2SO2↑+ 2H2O

ʮƂ

1ȼҴټӝĻҺ

2͜ؼӟСľM(jn)ԷҴĴ]l(f)Һwҷv

3ĩ˲ҪNa2CO3ҺwҺw

4Na2CO3ҺҪ(yu)c(din)

„?dng)?ܽҴ ܽ֌^(gun)

5ĸC2H5-OH+ HO-C2H5 C2H5-O-C2H5+H2O

C+2H2SO4() CO2↑+2SO2↑+ 2H2O

6}ǶȣˎƷܵλNa2CO3Һü\ûW(xu)ƽDʵĴʩ

ʮȩęz򞣨ȩ

AyR

1yRҺƷڝԇм1ml 2%AgNO3Һ2Ȼ߅ʎԇ߅μ2%ϡˮa(chn)ijǡֹܽƵyҺ

ʽAgNO3+NH3·H2O=AgOH+ NH4 NO3  AgOH+2 NH3·H2O=Ag(NH3)2OH+2H2O

2yR(sh)ע헣1Ҫǡܽ

2yҺSSɾ

3ӟ^(gu)̲ʎԇ

4ԇҪ

3^(gu)yRԇϡHNO3ϴ

BcCu(OH)2ҝҺ

1Cu(OH)2ҝҺƷԇ10%NaOHҺ2ml2%CuSO4Һ4—6õƵĚ~ҝҺ

2ע헣1Cu(OH)2Ƶģ2Ҫӟv3(sh)ډAԗl£NaOHҪ^(gu)

ʮcˮ⼰a(chn)C

1(sh)򞲽Eһ֧ԇмҺ׵ϡԇܷˮԡмӟ׷ȻϡNaOHҺʹA

2ע헣ϡ߻tÝ߻ˮ

Cˮa(chn)Ǖr(sh)ÉAҺкM(jn)yRcCu(OH)2ҝҺķ

(sh)̽}x

1ijwܺAl(NH4)2SO4MgCl2A1Cl3FeCl3еһN׷NFԓŒ(sh)ìFP(gun)D(wweѓQɘ˛rµwe)

Ոش

(1)ǷFeCl2    (“”“”)    

(2)Ƿ(NH4)2SO4     (“”“”)Д_______

(3)(xi)ݵxӷʽ                                   

(4)ՈDДԭwһе|(zh)                 ((xi)W(xu)ʽ)(xi)Ӌ^(gu)

(5)AlCl3Һӟsܵõ^A1Cl3wՈOӋһ(g)еĺ(jin)׌(sh)Һеõ^AlCl3Y                                 

𰸣(1)  (2)  wͨ^(gu)p448L (3)A1(OH)3++3H+=A13++3H2O

(4)һA1(NH4)2SO4MgCl2N|(zh)

(5)ȻXҺмһĝ}ټӟsw

2Ȼ~wгFeC12s|(zh)ƵüȻ~wCuC12·2H2OȌϡ}ȻʾEM(jn)ἃ

֪

 

_(ki)ʼr(sh)pH

ȫr(sh)pH

Fe3+

1.9

3.2

Cu2+

4.7

6.7

1|(zh)mX             ̖

AH2O2    BKMnO4   CNaC1O   D

(xi)Xl(f)xӵķʽ              

2|(zh)Y                Ŀ

3ijͬW(xu)÷Cu+2H+       Cu2++H2↑OӋ(sh)(li)ȡȻ~ҺԓͬW(xu)OӋbÑԓ             “ԭ늡”“늽”Ո҂ȷЮ(hu)ԓͬW(xu)OӋbÈDָ늘OϺ͡늽|(zh)Һ

4CuC12ϡҺеõCuC12·2H2Owl(f)Y^(gu)˷ֹCu2+ˮȡĴʩ             

:1A        2Fe2++H2O2+2H+               2Fe3++2H2O

2CuOCuOH2CuCO32֣{ҺpHֻFe(OH)32֣

3늽                      4mϡ}

3ijW(xu)СMÌ(sh)ṩԇF0.1mol·L-1FeCl3Һ0.1mol·L-1FeCl2ҺKSCNҺˮ̽Fe2+   Fe3+ ߀ԭ(sh)Yڑ

(1)߀ԭP(gun)ԭdȤСMFe2+Fe3+ ߀ԭ2NOOһFe2+ ߀ԭ  OFe3+ 

(2)OӋ(sh)򞷽M(jn)Ќ(sh)򞲢(sh)Fб

̽?j)?/span>

(sh)򞷽

     (sh)F

̽Fe2+߀ԭ

ȡ0.1mol·L-1FeCl2ҺˮҺмKSCNҺ

 

 

 

̽Fe3+

 

 

 

 

 

 

(3)ԓdȤСMf(shu)“Fe2+”һ(g)Œ(sh)FeCl2 + Zn = ZnCl2 + Fe

ԓxӷʽ飺                                                           

(4)Fe3+|(zh),ԓСMFeCl3Һg~ӡˢ(xin)·xӷʽǣ     ___     

̽?j)?/span>

(sh)򞷽

     (sh)F

̽Fe2+߀ԭ

ȡ0.1mol·L-1FeCl2ҺˮҺмKSCNҺ

ˮҺɜ\Gɫ׃SɫټKSCNҺҺ׃tɫ

 

̽Fe3+

ȡ0.1mol·L-1FeCl3ҺFۺҺмKSCNҺ

FۺҺSɫ׃\GɫKSCNҺҺ@t

 

 

 

 

 

 

 

(2)

(3)Fe2++Zn =Zn2+ + Fe  (4)2Fe3+ + Cu=2Fe2++ Cu2+

4. ~仯һ㶼ɫCuCu2OʼtɫCuOʺɫCuSO4·5H2O{ɫоԌW(xu)СMמzy(sh)ҵCu2OԇǷCuM(jn)J̽

񣮲YϣCu2OډA ڿ՚ƟCu2OCuOCu2Oԗlܰl(f)߀ԭCu2O2HCuCu2H2O

OӋ(sh)򞷽

1ȡԓtɫԇϡ^(gun)Һɫ׃

2ȡԓtɫԇϡ^(gun)ǷК

3Q(chng)ø|(zh)a g ȡtɫԇзQ(chng)ÿ|(zh)b gڿ՚гƟȫ׃ڸsٷQ(chng)˷Ͷֱ|(zh)׃Q(chng)|(zh)c gД

1Ոur(ji)1ͷ2JԓՈ(jin)乤ԭJԓՈ(jin)ԭ

23abcP(gun)ϵc=              ɴ_JtɫĩCu2O

оԌW(xu)СMOӋµ̽bDʾ

3(jin)̽wl(f)bõĚΙz򞣨FYՓ

4J·ytɫԇӳɷֱ횫@Щx̖

ͨweڷǰtɫԇ+Ӳ|(zh)ԇܵĿ|(zh)ȫtɫw+Ӳ|(zh)ԇܵĿ|(zh)܌(sh)ǰܣˎƷ|(zh)Ӳ|(zh)ԇ|(zh)\|(zh)ϡк|(zh)(sh)ܣˎƷ|(zh)

5ښl(f)cӲ|(zh)ԇ֮gһ(g)bJ        x“Ҫ”“Ҫ”(jin)

𰸣1񲻺~~ܺCu2+򲻺Cu+ԗlܰl(f)߀ԭҲ~|(zh)2c= 10b—a3P(gun)]L(chng)i©ԇעһˮʹ©Һԇ܃Һoú©Һ治½tbõĚҺ½tb©

4ڢۢݣ5Ҫ    ׌~ښs](mi)и~ی

5ijW(xu)ndȤСM~cϡᷴ(sh)r(sh)l(f)F“ͬ|(zh)~քecweĝϡַǰҺɫǾGɫҺɫ{ɫ”

(1)һN^(gun)c(din)J飺@Cu2ȲĽYͬ@N__________(“ͬ”“ͬ”)ԭ____________________________________________

(2)һN^(gun)c(din)J飺ҺʾGɫ~cᷴr(sh)a(chn)NO2^(gu)@SɫϺ{ɫ~ҺһʹҺʾGɫCƔǷ_λͬW(xu)քeOӋNM(jn)C

ټͬW(xu)ʢGɫҺԇܼӟǷмtɫwa(chn)

JͬW(xu)ķǷ׮ʲô________________________________________

ͬW(xu)pˮͶiƵͨGɫҺ^(gun)ҺǷ׃{ɫՈ÷ʽʾеķԭ_______________________________________________

۱ͬW(xu)ͨL(fng)һ¶ˏҿɳ(dng)~zʢԇܼ^(gun)쵽ԇгM(mn)tɫNO2ww(jng)ͨ뵽Aбһ֧ʢе{ɫCu(NO3)2ԇS(zh)(sh)M(jn)ԇеҺ{ɫܿ׃ɾGɫ^mͨNO2Gɫֲ׃ϳ~zʹֹͣ(xi)~cᷴxӷʽ________________________________________________________________________

܏ĭh(hun)ĽǶȿJ(g)õһ(g)__________ԭ__________

𰸣(1)ͬ⡡~Ƭ|(zh)ͬҺweͬɵ~xӝͬ

(2)ٲ׮^(gu)ӟ^(gu)ķֽҲ(hu )a(chn)ͨ^(gu)^(gun)ҺǷ׃{ɫ(li)C4NO22H2OO2===4HNO3

Cu4H2NO===Cu22NO2↑2H2O      ҷЛ](mi)жwa(chn)

 

߿ԺУW(xu)x(zhun)I(y)һλ

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