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0.0592PClø¬
ø¬ 2[Clø¬]ø¬0.05921
=1.36 +ø¬ 2Xø¬
µ±MnO2ÓëCl-·´Ó¦¸Õ¿ªÊ¼Ê±,Á½µç¼«µçÊÆ±ØÏàµÈ, ¼´: Eø¬MnO2/Mnø¬=ECl2/Cl-
½âµÃ: X=5.4(mol¡¤Lø¬) Eø¬Cl2/Cl-=1.36 +
2. 313CE01
Eø¬--=n1E1ø¬+n2E2ø¬+n3E3ø¬
BrO3/Br nø¬+ nø¬+ nø¬
=4¡Á1.5+1¡Á1.59+1¡Á1.07
4+1+1
=1.44 (V) HBrO¿É·¢ÉúÆç»¯·´Ó¦,ÒòEø¬----BrO3/BrO ø¬ø¬=1.59-1.50=0.09(V) ø¬K=nø¬ø¬4¡Á0.09 0.0592 = 0.0592 =6.08 K=1.2¡Á10ø¬ 3. 313CE02 1. Eø¬--1.20¡Á5+0.53¡Á1 IO3/I= 6 =1.08V Eø¬-=1.2¡Á5-1.45¡Á1IO3/HIO4 =1.14V 2. ͼÖÐHIOÄÜ·¢ÉúÆç»¯·´Ó¦ 5HIO=HIO3+2I2+2H2O ø¬K=(1.45-1.14)¡Á4 0.0592 =20.946 K=8.83¡Á1020ø¬ Îå.ÅжÏÌâ 1.211DF01 A:NaI B:NaClO 1). 2NaI+2FeCl3==2FeCl2+2NaCl+I2 2). NaI+AgNO3==AgI¡ý+NaNO3 3). ClO-+2Hø¬+Cl-==Cl2¡ü+H2O 4). Cl2+2NaOH(Àä)==NaCl+NaClO+H2O 5). 2NaI+NaClO+H2O==I2+NaCl+2NaOH I2+5NaClO+2NaOH=2NaIO3+5NaCl+H2O 13 ÎÞ»ú»¯Ñ§²¹³äϰÌâ 2.211DF04 1). A:NaI B:H2SO4(Ũ) C:I2 D: NaI3 E:Na2S2O3 F:Cl2 2). 8NaI+5H2SO4(Ũ)=4I2+H2S¡ü+4Na2SO4+4H2O I3-+8Cl2+9H2O=3IO3-+16Cl-+18Hø¬ Na2S2O3+2HCl=2NaCl+SO2¡ü+S¡ý+H2O Na2S2O3+4Cl2+5H2O=2H2SO4+2NaCl +6HCl 3.106CF10 A. NaI B. NaClO (1) 2NaI +2 FeCl3 = 2FeCl2 + 2NaCl + I2 (2) NaI + AgNO3 = AgI¡ý + NaNO3 (3) ClO- + 2Hø¬+ Cl- = Cl2¡ü + H2O (4) Cl2 + 2NaOH(Àä)= NaCl + NaClO + H2O (5) 2 NaI + NaClO + H2O = I2 +NaCl + 2NaOH I2 + 5NaClO + 2NaOH = 2NaIO3 + 5NaCl +H2O 14