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(2) Zn2+NaOH£¨Å¨£©? (3) Hg+NaOH? (4) Cu+NaOH£¨Å¨£©? (5) Cu+NaOH ? (6) Ag+NaOH?

(7) HgS+Al+OH£¨¹ýÁ¿£©? (8) Cu2O+NH3+NH4Cl+O2? ´ð

(1) Hg2 + 2OH = HgO¡ý + Hg¡ý + H2O (2) Zn + 2OH= Zn(OH)2

Zn(OH)2 + 2OH = Zn(OH)4 (3) Hg + 2OH= HgO + H2O (4) Cu+ 4OH = Cu(OH)4 (5) 2Cu + 2OH = Cu2O¡ý + H2O (6) 2Ag + 2OH = Ag2O¡ý + H2O

(7) 3HgS + 2Al + 8OH = 3Hg + 2Al(OH)+ 3S (8) 2Cu2O + 8NH3 + 8NH + O2 = 4Cu(NH3)4+ 4H2O

5. ¸ÅÊöÏÂÁкϳɲ½Ö裺

£¨1£© ÓÉCuSºÏ³ÉCuI£» £¨2£© ÓÉCuSO4ºÏ³ÉCuBr£»

£¨3£© ÓÉK[Ag£¨CN£©2]ºÏ³ÉAg2CrO4£» £¨4£© ÓÉ»ÆÍ­¿óCuFeS2ºÏ³ÉCuF2£» £¨5£© ÓÉZnSºÏ³ÉZnCl2£¨ÎÞË®£©£» £¨6£© ÓÉHgÖÆ±¸K2[HI4]£» £¨7£© ÓÉZnCO3ÌáÈ¡Zn£»

£¨8£© ÓÉAg£¨S2O3£©2ÈÜÒºÖлØÊÕAg¡£

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(1) 3CuS + 2HNO3 + 3H2SO4 = 3CuSO4 + 3S¡ý + 2NO¡ü +4H2O 2CuSO4 + 4KI = 2CuI¡ý + I2 + 2K2SO4

(2) CuSO4 + Cu + 2KBr = 2CuBr¡ý + K2SO4 (3) 2K[Ag(CN)2] + Zn = Ag¡ý + K2[Zn(CN)4]

3Ag + 4HNO3 = 3AgNO3 + NO¡ü + 2H2O 2AgNO3 + K2CrO4 = Ag2CrO4¡ý + 2KNO3 (4) CuFeS2 + O2 = Cu2S + 2FeS + SO2¡ü

Cu2S + 22HNO3 = 6Cu(NO3)2 + 3H2SO4 + 10NO¡ü + 8H2O Cu(NO3)2 + 2NaOH = Cu(OH)2 + 2NaNO3 Cu(OH)2 + 2HF = CuF2 + 2H2O

(5) ZnS + 2HCl + n H2O = ZnCl2nH2O + H2S

ZnCl2 nH2O = ZnCl2 + n H2O

(6) 3Hg + 8HNO3 = 3Hg(NO3)2 + 2NO ¡ü+ 4H2O

Hg(NO3)2 + 4KI = K2[HgI4] + 2KNO3 (7) ZnCO3 + H2SO4 = ZnSO4 + CO2 ¡ü+ H2O

2ZnSO4 + 2H2O = 2Zn +O2¡ü + H2SO4

(8) Ag(S2O3)2 + 8Cl2 + 10H2O = AgCl¡ý + 15Cl+ 4SO4+ 2OH

AgCl + 2NH3 = [Ag(NH3)2]Cl

[Ag(NH3)2]Cl + HCOOH = Ag¡ý + CO2 ¡ü+ H2O + NH3 ¡ü+ HCl 2[Ag(NH3)2]+ Zn = 2Ag¡ý + [Zn(NH3)4]

2[Ag(NH3)2] + CH3CHO + 2OH= CH3COONH4 + 2Ag¡ý + 3NH3 ¡ü+ H2O

6. ÊÔÉè¼ÆÒ»¸ö²»ÓÃH2S¶øÄÜʹÏÂÊöÀë×Ó·ÖÀëµÃ·½°¸ Ag£¬ Hg2£¬ Cu£¬ Zn£¬ Cd£¬ HgºÍAl ´ð

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HgNH2I,HgNH2Cl,Al(OH)3 Zn(NH3)4, Cd(NH3)4 NaOH ¨U¦¤ Zn(OH)2 ,Cd(OH)2 HgNH2I,HgNH2Cl Al(OH) NaOH

Cd(OH)2 Zn(OH)4

7. ½«¿ËÍ­¡ªÂÁºÏ½ðÑùÆ·Èܽâºó£¬¼ÓÈë¹ýÁ¿µâÀë×Ó£¬È»ºóÓá¤dmNa2S2O3ÈÜÒºµÎ¶¨Éú³ÉµÃµâ£¬¹²ÏûºÄÈÜÒº£¬ÊÔÇóºÏ½ðÖÐÍ­µÃÖÊÁ¿·ÖÊý¡£ ½â£º 2Cu + 2I = CuI + I2

I2 + 2S2O3 = S4O6 + 2I 2CuÓëI2, 2S2O3

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Cu£¥ = nCu¡¤MCu/¡Á100£¥

= ¡Á¡Á¡Á100£¥/ =£¥

8. ¼ÆËãÏÂÁи÷¸ö°ëµç³Ø·´Ó¦µÃµç¼«µçÊÆ£º £¨1£© Hg2SO4+2e £¨ÒÑÖª

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?£¨1£© ½â£º Hg2SO4 + 2e- £½ 2Hg + SO4

Hg2 + SO4 = Hg2SO4 K

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E(Hg2/Hg) = E(Hg2SO4/Hg)

E(Hg2/Hg) = E(Hg2/Hg) + 2lg[Hg2] = + 2lg¡Á10) = ¼´ E(Hg2SO4/Hg) =

£¨2£© ½â£º 2CuS + 2e = Cu2S + S

ECuS/Cu2S = ECu/Cu+ 2lg([Cu]/[ Cu]) = ECu/Cu+ 2lg(K

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9. ½«ÎÞË®ÁòËáÍ­£¨¢ò£©ÈÜÓÚË®ÖУ¬µÃµ½ÈÜÒºA¡£ÓùýÁ¿µÃNaClÈÜÒº´¦ÀíÈÜÒºAµÃµ½ÈÜÒºB¡£µ±ÈÜÒºBÓùýÁ¿µÃSO2´¦ÀíÖ®ºóÔÙÓÃˮϡÊÍ£¬Éú³É³ÁµíC¡£½«³ÁµíÂ˳ö²¢ÓÃÕôÁóˮϴµÓºó£¬ÈܽâÓÚ°±Ë®µÃµ½ÎÞÉ«ÈÜÒºD£¬DÔÚ¿ÕÆøÖо²ÖÃʱѸËÙ±ä³ÉÀº×ÏÉ«ÈÜÒºE¡£ÈçÔÙÏòÈÜÒºE¼ÓÈë´óÁ¿Í­Ð¼£¬ÔòµÃµ½ÎÞÉ«ÈÜÒºF¡£ £¨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

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