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Áî [SO42-] = 1.0mol/dm3

[Hg22+] = K¦Èsp(Hg2SO4) = 6.76¡Á10-7 mol/dm3 E(Hg22+/Hg) = E¦È(Hg2SO4/Hg)

E(Hg22+/Hg) = E¦È(Hg22+/Hg) + 0.059/2lg[Hg22+] = 0.792 + 0.059/2lg(6.76¡Á10-7) = 0.61V

¼´ E¦È(Hg2SO4/Hg) = 0.61V

£¨2£© ½â: 2CuS + 2e- = Cu2S + S2-

E¦ÈCuS/Cu2S = E¦ÈCu2+/Cu+ + 0.059/2lg([Cu2+]2/[ Cu+]) = E¦ÈCu2+/Cu+ + 0.059/2lg(K¦ÈspCuS/ K¦Èsp Cu2S) = 0.15 + 0.059/2lg[(7.94¡Á10-36)2/1.0¡Á10-48] = -0.50V

Cu2S + 2e- = 2Cu + S2-

E¦ÈCu2S/ Cu = E¦ÈCu+/ Cu + 0.059/2lg[Cu+]2 = E¦ÈCu+/ Cu + 0.059/2lg K¦ÈspCu2S = 0.52 + 0.059/2lg1.0¡Á10-48 = -0.90

CuS + 2e- = Cu + S2-

E¦ÈCuS/ Cu = E¦ÈCu2+/Cu + 0.059/2lg[Cu2+] = E¦ÈCu2+/Cu + 0.059/2lg K¦ÈspCuS

=(E¦ÈCu2+/Cu + E¦ÈCu+/ Cu)/2 + 0.059/2lg K¦ÈspCuS = (0.15 + 0.52) + 0.059/2lg(7.94¡Á10-36) = -0.70V

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£¨a£©ËµÃ÷ÈÜÒºAºÍBµÄÑÕÉ«£¬²¢Ð´³öÔÚÈÜÒºÖÐÖ÷Òªº¬Í­×é·ÖµÃ»¯Ñ§Ê½£» £¨b£©ËµÃ÷³ÁµíCµÄÑÕÉ«ºÍ»¯Ñ§Ê½£»

£¨c£©ÔÚEÖÐÖ÷Òªº¬Í­×é·ÖµÄ»¯Ñ§Ê½Ê±Ê²Ã´£¿

£¨d£©¼òµ¥½âÊ͵±ÈÜÒºD±ä³ÉÈÜÒºEʱËù·¢ÉúµÄ±ä»¯£¿ £¨e£©ÈÜÒºDºÍÈÜÒºFÔÚ×é³ÉÉÏÓÐÎÞÇø±ð£¿ ´ð

£¨a£© A: À¶É« Cu(H2O)42+ B: »ÆÉ« CuCl42- £¨b£© C: °×É« CuCl £¨c£© E:Cu(NH3)42+

£¨d£© 4Cu(NH3)2+ + O2 + 2H2O + 8NH3 = 4Cu(NH3)42+ + 4OH- £¨e£© DºÍF Ïàͬ¾ùΪº¬Cu(NH3)2+Àë×ÓµÄÈÜÒº

10. ÏÂÃæÁ½¸öƽºâ: 2Cu+ Cu2+ + Cu Hg2+ + Hg Hg

(1)ÔÚÐÎʽÉÏÊÇÏà·´µÄ£¬ÎªÊ²Ã´»á³öÏÖÕâÖÖÇé¿ö£¿

(2)ÔÚʲôÇé¿öÏÂÆ½ºâ»áÏò×óÒÆ¶¯£¿ÊÔ¸÷¾ÙÁ½¸öʵÀý¡£ ´ð

£¨1£© +0.17V +0.52V +0.920 +0.789 Cu2+ Cu+ Cu Hg2+ Hg22+ Hg +0.34V +0.854

£¨2£© 2 Cu+ = Cu2+ + Cu ¿É¼ÓÈëCu+Àë×ӵijÁµí¼ÁʹƽºâÏò×óÒÆ Àý:Cu2+ + Cu + 2Cl- = 2CuCl

Hg2+ + Hg = Hg22+ ¿É¼ÓÈëHg2+Àë×ӵijÁµí¼ÁʹƽºâÏò×óÒÆ Àý:Hg22+ + H2S = HgS + Hg + 2H+

11. [Ag£¨CN£©2]-µÄ²»Îȶ¨³£ÊýÊÇ1.0¡Á10-20£¬Èô°Ñ1gÒøÑõ»¯²¢ÈÜÈ뺬ÓÐ1.0¡Á10-1mol?dm-3CN-µÄ1dm-3ÈÜÒºÖУ¬ÊÔÎÊÆ½ºâʱAg+µÄŨ¶ÈÊǶàÉÙ£¿ ½â [Ag(CN)2]- = Ag+ + 2CN-

K²»ÎÈ = [Ag+]?[CN-]2/[Ag(CN)2]-

K²»Îȷdz£Ð¡¹Ê [Ag(CN)2]- = mAg/(M?V) = 1/108 = 0.009 mol/dm3 [CN-] = C CN- - 2[Ag(CN)2]- = 0.1 - 2¡Á0.009 = 0.081 mol/dm3 [Ag+] = K²»ÎÈ¡Á[Ag(CN)2]-/ [CN-]2 = 1.4¡Á10-20mol/dm3

12. д³öÓ빯Óйصķ´Ó¦¡£ ´ð

¼ÓÈÈÖÁ·Ð

2Hg + O2 ¨T¨T¨T¨T¨T¨T2HgO

3 Hg + 8HNO3¨T¨T¨T¨T 3Hg(NO3)2 + 2NO¡ü + 4H2O 2HgCl2 + SnCl2 + 2HCl = Hg2Cl2¡ý + H2SnCl6 Hg2Cl2 + SnCl2 + 2HCl = 2Hg ¡ý+ H2SnCl6

NH4Cl + 2K2[HgI4] + 4KOH = Hg2NI?H2O¡ý + 7KI + 3H2O Hg2Cl2 + 2NH3 = HgNH2Cl¡ý + NH4Cl + Hg

13. д³öHg2+ÓëHg Àë×ÓµÄÇø±ðÓë¼ì²éºÍ¼ìÑéNHµÄ·´Ó¦·½³Ìʽ¡£ ´ð

Hg2+ÓëHg22+Àë×ÓµÄÇø±ðÈç±íËùʾ:

ÊÔ¼Á Hg22+ Hg2+ KOH Éú³É°µºÖÉ«µÄHg2O³Áµí Éú³É»ÆÉ«µÄHgO³Áµí KCl Éú³É°×É«µÄHg2Cl2³Áµí Éú³É¿ÉÈÜÐÔµÄÎÞÉ«µÄHgCl2 KI Éú³ÉÂÌÉ«µÄHg2I2³Áµí Éú³É½ÛºìÉ«µÄHgI2³Áµí£¬KI¹ýÁ¿ÔòÉú³ÉÎÞÉ«µÄK2[HgI4] NH3?H20 Éú³ÉHgNH2Cl(°×) + Hg(ºÚ) »Ò Éú³É°×É«µÄHg(NH2)Cl³Áµí

H2S Éú³ÉºÚÉ«HgS + Hg Éú³ÉºÚÉ«µÄHgS³Áµí

SnCl2 Éú³É»ÒÉ«µÄHg³Áµí Éú³É°×É«µÄHg2Cl2³Áµí£¬½Ó×űäΪ»ÒÉ«µÄHg³Áµí Cu Hg³ÁµíÔÚCu±íÃæ¶øÐγÉÎªÒø°×É« ͬ×ó ¼ìÑéNH4+µÄ·´Ó¦·½³Ìʽ:

NH4Cl + 2K2[HgI4] + 4KOH = Hg2NI?H2O¡ý + 7KI + 3H2O

K2[HgI4] ºÍKOHµÄ»ìºÏÈÜÒº³ÆÎªÄÎ˹ÀÕÊÔ¼Á£¬ÈôÈÜÒºÖÐÓÐ΢Á¿µÄNH4+´æÔÚ

ʱ£¬¼Ó¼¸µÎÄÎ˹ÀÕÊÔ¼Á£¬¾Í»á²úÉúÌØÊâµÄºìÉ«³Áµí¡£

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2. ÏÂÁл¯ºÏÎïÖÐÄÄЩÊÇÅäºÏÎÄÄЩÊÇòüºÏÎÄÄЩÊǸ´ÑΣ¿ÄÄЩÊǼòµ¥ÑΣ¿ £¨1£©CuSO4?5H2O £¨2£©K2PtCl6

£¨3£©Co£¨NH3£©6Cl3 £¨4£©Ni£¨en£©2Cl2 £¨5£©£¨NH4£©2SO4?FeSO4?6H2O £¨6£©Cu£¨NH2CH2COO£©2 £¨7£©Cu£¨OOCCH3£©2 £¨8£©KCl?MgCl2?6H2O ½â ÅäºÏÎï: K2PtCl6, Co(NH3)6Cl3, CuSO4?5H2O òüºÏÎï: Ni(en)2Cl2, Cu(NH2CH2COO)2

¸´ÑÎ : (NH4)2SO4?FeSO4?6H2O KCl?MgCl2?6H2O ¼òµ¥ÑÎ: Cu(OOCH3)2

3. ÃüÃûÏÂÁи÷ÅäºÏÎïºÍÅäÀë×Ó: £¨1£©£¨NH4£©3[SbCl6] £¨2£©Li[AlH4]

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Br NH3 Br Py Cl NH3 Pt

Py Br

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