Химия дефектов. Семенова Г.В - 20 стр.

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20
CdCl
2
↔
Cd
•
Ag
+ V
′
Ag
+ 2Cl
×
Cl
(
→
2 AgCl )
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^_n_dlh\D:>ihkdhevdmdhebq_kl\h\\_^_gghcijbf_kbhij_^_ey_lmjh\_gv
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ijbjh^Zkh[kl\_gguo^_n_dlh\aZ\bkblg_lhevdhhll_fi_jZlmjughbhliZjpb
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aZjy^Zijbf_kb[m^_lhij_^_eylvkymkeh\byfb\\_^_gbyijbf_kb\djbklZee>ey
g_kl_obhf_ljbq_kdbonZa\hafh`ghbaf_g_gb_f_oZgbafZe_]bjh\Zgby\mkeh
\byoih\ur_ggh]hbebihgb`_ggh]hihkjZ\g_gbxkhkl_obhf_ljbq_kdbf^Z\
e_gbyiZjZ GZijbf_jba\_kl_g wnn_dl dhgljhebjm_fhc \Ze_glghklbe_]bjh
\Zgb_\xkpblZZdp_ilhjghcijbf_kvxijb\ukhdhf^Z\e_gbbdbkehjh^Zkhijh
\h`^Z_lkyh[jZah\Zgb_f^ujhddhlhju_nhjfbjmxldhfie_dkukj_]meyjgufb
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gZ3:
Na
2
O + 1/2 O
2
(g) ↔ 2 Na′
Fe
+ 2 O
×
O
+ 2 h
•
( → 2 FeO )
Fe
×
Fe
+ h
•
→ Fe
•
Fe
a^_kv)H
×
Fe
wd\b\Ze_glgh)H
2+
Z)H
•
Fe
- Fe
3+
Kmffbjmywlb^\Zijhp_kkZihem
qbf
Na
2
O + 3/2 O
2
(g) ↔ 2 Na′
Fe
+ 4 O
×
O
+ 2 Fe
•
Fe
( → 4 FeO )
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l_evguoaZjy^h\ h]jZgbq_gZdhgp_gljZpb_c\ZdZgkbc- jZamihjy^hq_gb_fnZau
?keb `_ dhfi_gkbjh\Zlv iheh`bl_evguc aZjy^ bhgh\)H
3+
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                                          20


                  CdCl2 ↔ Cd•Ag + V′Ag + 2Cl×Cl
                  ( → 2 AgCl )

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^_n_dlghklbdjbklZeeZ
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ijbjh^Zkh[kl\_gguo^_n_dlh\aZ\bkblg_lhevdhhll_fi_jZlmjughbhliZjpb
Zevguo^Z\e_gbciZjZdhfihg_glh\\h\g_rg_cnZa_lhboZjZdl_jdhfi_gkZpbb
aZjy^Zijbf_kb[m^_lhij_^_eylvkymkeh\byfb\\_^_gbyijbf_kb\djbklZee>ey
g_kl_obhf_ljbq_kdbonZa\hafh`ghbaf_g_gb_f_oZgbafZe_]bjh\Zgby\mkeh
\byoih\ur_ggh]hbebihgb`_ggh]h ihkjZ\g_gbxkhkl_obhf_ljbq_kdbf ^Z\
e_gby iZjZ GZijbf_j ba\_kl_g wnn_dl dhgljhebjm_fhc \Ze_glghklbe_]bjh
\Zgb_\xkpblZZdp_ilhjghcijbf_kvxijb\ukhdhf^Z\e_gbbdbkehjh^Zkhijh
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maeZfb j_r_ldb qlh wd\b\Ze_glgh baf_g_gbx kl_i_gb hdbke_gby  `_e_aZ k  
gZ3:
            Na2O + 1/2 O2(g) ↔ 2 Na′Fe + 2 O×O + 2 h•
            ( → 2 FeO )
            Fe×Fe + h• → Fe•Fe
a^_kv)H×Fewd\b\Ze_glgh)H2+Z)H•Fe - Fe3+ Kmffbjmywlb^\Zijhp_kkZihem
qbf
            Na2O + 3/2 O2(g) ↔ 2 Na′Fe + 4 O×O + 2 Fe•Fe
            ( → 4 FeO )
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\xkpbl y\ey_lky ijh\h^gbdhf j-lbiZ gh fZdkbfZevgZy dhgp_gljZpby iheh`b
l_evguo aZjy^h\ h]jZgbq_gZ dhgp_gljZpb_c \ZdZgkbc - jZamihjy^hq_gb_f nZau
?keb `_ dhfi_gkbjh\Zlv iheh`bl_evguc aZjy^ bhgh\ )H3+ Zdp_ilhjghc ijbf_

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