. . | . . | |||||||
S2 | H2S, S2, Sn2 | Se2 | H2Se | |||||
S1 | H2S2 | Se0-1 | , Se42+ | |||||
S0 | S6, S8 | Se+1 | Se2Cl2 | |||||
S+1 | S2O, S2F2,, S2Cl2 | Se+2 | ? | |||||
S+2 | SF2, SCl2 | Se+4 | SeO2, H2SeO3, SeO32, SeOF2, | |||||
S+3 | Na2S2O4 | SeOBr2, SeCl4, | ||||||
S+4 | SO2, SO32, SF4, SOCl2 | SeBr4, SeBr62, SeOCl2 | ||||||
S+5 | Na2S2O6 | Se+6 | SeO3, H2SeO4, SeO42, SeO2F2, | |||||
S +6 | SO3, H2SO4, HSO3F | SeF6 | ||||||
2 , , , .
S8, . , . . - - . 950. - - S8, . .
119.30. , 119.30. .
,
S8 . S8 . ʳ S8 S8. S8 , S8.
(444.60) S8 ( S6, S4 S2), 6000 S6, 9000 S2. 20000 .
( ), .
, , , , . , 䳿 :
Na2S2O3 + 2H2SO4 [H2S2O3] + 2NaHSO4
[H2S2O3] S + SO2 + H2O
S2O32 + 6H+ + 4e 2S + 3H2O
S2O32 + H2O 4e 2SO2 + 2H+
2 S2O32 + 4H+ 2S + 2SO2 + 2H2O
, S6 S8.
|
|
ճ ,
ü , :
Cu + S CuS + Q
S + Fe FeS
ü . :
S + C CS2
S + 6F SF6
ü SF6, .
ü ѳ , .
S + O2 SO2 + Q
Se + O2 SeO2 + Q