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4)
Ⱥɡ ɟɪɢɬɿɧ ԕɨɫɵɥɵɫɬɚɪɞɵԙ ɠԥɧɟ ɤɨɦɩɥɟɤɫɬɿ ɢɨɧɞɚɪɞɵԙ
ɞɢɫɫɨɰɢɚɰɢɹ ɬɟɩɟ
-
ɬɟԙɞɿɝɿɧɿԙ ɤɨɧɫɬɚɧɬɚɫɵ (Ʉ
ɌɁ
) ɦԥɧɿɧ ɩɚɣɞɚ
-
ɥɚɧɵɩ, ɠԛɪɝɿɡɿɥɝɟɧ ɪɟɚɤɰɢɹɧɵԙ ɬɢɩɿɧ ɚɧɵԕɬɚԙɵɡ:
K
ɌɁ
[Fe(CN)
6
]
4
–
= 1,0 · 10
–
24
K
ɌɁ
[Fe(CN)
6
]
3
–
= 1,0 · 10
–
31
K
ɌɁ
[Fe(SCN)
4
]
–
= 2,9
·
10
–
5
K
ɌɁ
[Co(H
2
O)
6
]
2+
= 3,4 ·10
–
5
K
ɌɁ
[FeF
6
]
3
–
= 7,9
·
10
–
17
K
ɌɁ
[CoCl
4
]
2
–
= 7,6 ·10
–
8
K
ɌɁ
[Cd(NH
3
)
4
]
2+
= 7,6
·
10
–
8
K
ɌɁ
[Cu(NH
3
)
4
]
2+
= 2,1 ·10
–
13
ȿɄ (CdCO
3
) = 2,5 · 10
–
14
ȿɄ
(Cu(OH)
2
) = 5,0 · 10
–
-20
5)
Ⱥɥɵɧԑɚɧ ɦԥɥɿɦɟɬɬɟɪɞɿ ɬԛɫɿɧɞɿɪɿԙɿɡ ɠԥɧɟ ԕɨɪɵɬɵɧɞɵ
ɠɚɫɚԙɵɡ.
ΘΡɪɚɥɞɚɪ ɠΩɧɟ ɪɟɚɤɬɢɜɬɟɪ.
Ⱥ – ɧԝɫԕɚ.
ɋɵɧɚɭɵԕɬɚɪ, ɷɥɟɤɬɪ ɩɥɢɬɚɫɵ, 200 ɦɥ
-
ɥɿɤ
ɵɫɬɵԕԕɚ ɬԧɡɿɦɞɿ ɫɬɚɤɚɧ, ɧɚɬɪɢɣ ɮɬɨɪɢɞɿɧɿԙ NaF ԝɧɬɚԑɵ,
ɦɢɤɪɨɲɩɚɬɟɥɶ, ɤɚɥɢɣ ɝɟɤɫɚɰɢɚɧɨɮɟɪɪɚɬɵɧɵԙ (ȱȱ) K
4
[Fe(CN)
6
],
ɬɟɦɿɪ (ȱȱȱ) ɯɥɨɪɢɞɿɧɿԙ FeCl
3
, ɤɚɥɢɣ ɬɟɬɪɚɬɢɨɰɢɚɧɨɮɟɪɪɚɬɵɧɵԙ
(ȱȱȱ) K[
Fe(SCN)
4
] (ɚɥɞɵɧɞɚ ɚɥɵɧԑɚɧ, 1
-
ɬԥɠɿɪɢɛɟɧɿ ԕɚɪɚԙɵɡ), ɦɵɫ
(ȱȱ) ɬɟɬɪɚɚɦɦɢɧɫɭɥɶɮɚɬɵɧɵԙ [Cu(NH
3
)
4
]SO
4
(ɚɥɞɵɧɞɚ ɚɥɵɧԑɚɧ,
1-
ɲɿ ɬԥɠɿɪɢɛɟɧɿ ԕɚɪɚԙɵɡ), 20 %
-
ɬɿɤ ɧɚɬɪɢɣ ɝɢɞɪɨɤɫɢɞɿɧɿԙ NaOH
ɟɪɿɬɿɧɞɿɥɟɪɿ.
Ȼ – ɧԝɫԕɚ.
ɋɵɧɚɭɵԕɬɚɪ ɷɥɟɤɬɪ ɩɥɢɬɚɫɵ, 200 ɦɥ
-
ɥɿɤ ɵɫɬɵԕԕɚ
ɬԧɡɿɦɞɿ ɫɬɚɤɚɧ, ɤɚɥɶɰɢɣ ɯɥɨɪɢɞɿ CaCl
2
ԝɧɬɚԑɵ, ɦɢɤɪɨɲɩɚɬɟɥɶ,
ɤɚɥɢɣ ɝɟɤɫɚɰɢɚɧɨɮɟɪɪɚɬɵɧɵԙ (ȱȱȱ) K
3
[Fe(CN)
6
], ɦɵɫ ɫɭɥɶɮɚɬɵ
CuSO
4
, ɤɨɛɚɥɶɬ (ȱȱ) ɝɟɤɫɚɚɤɜɚɯɥɨɪɢɞɿ [Co(H
2
O)
6
]Cl
2
(ɚɥɞɵɧɞɚ
ɚɥɵɧԑɚɧ 1
-
ɬԥɠɿɪɢɛɟɧɿ ԕɚɪɚԙɵɡ), ɤɚɞɦɢɣ (ȱȱ) ɬɟɬɪɚɚɦɦɢɧ ɯɥɨɪɢɞɿ
[Cd(NH
3
)
4
]Cl
2
(ɚɥɞɵɧɞɚ ɚɥɵɧԑɚɧ 1
-
ɬԥɠɿɪɢɛɟɧɿ ԕɚɪɚԙɵɡ), ɧɚɬɪɢɣ
Na
2
CO
3
ɟɪɿɬɿɧɞɿɥɟɪɿ.
ɌΩɠɿɪɢɛɟɧɿΝ ɨɪɵɧɞɚɥɭɵ.
Ⱥ – ɧԝɫԕɚ.
Ԛɲ ɫɵɧɚɭɵԕ ɚɥɵɩ, ԥɪ ԕɚɣɫɵɫɵɧɚ ɠɟɤɟ ɠɟɤɟ 1
-2
ɦɥ
-
ɞɟɧ
ɦɵɧɚɞɚɣ
ɤɨɦɩɥɟɤɫɬɿ
ɬԝɡɞɚɪɞɵԙ
ɟɪɿɬɿɧɞɿɥɟɪɿɧ:
K
4
[Fe(CN)
6
], K[Fe(SCN)
4
], [Cu(NH
3
)
4
]SO
4
ԕԝɣɵԙɵɡ
. 1-
2 ɦɥ
-
ɞɟɧ
FeCl
3
ɟɪɿɬɿɧɞɿɫɿɧ (1
-
ɲɿ ɫɵɧɚɭɵԕԕɚ) ɠԥɧɟ 20%
-
ɬɿɤ ɵɫɬɵԕ NaOH