BaO + 2 = Ba(OH)2 SO3 + 2 = H2SO4
Na2O + 2 = 2NaOH Cl2O7 + 2 = ClO4
SiO2 (
I II ( ) )
FeO + 2l = Fel2 + 2 SO2 + C()2 = SO3 + 2
Fe2O3 +6l = 2Fel3 + 32 i2O5 + = iO3 + 2
: -
.
()
( ) (
). -
, -
SO2 ( ) i2O5
( )
. H2SO3 ( )
2i2O6 ( ).
2, iO3
iO3 ( iO3
1
iO3). -
SO3 2..
+ , + , + . , , , . , , , , .
) BaO ( ) + SO3 ( ) = SO4 ()
) BaO ( ) + Al2O3 ( ) = (lO2)2 ()
: . . , l23 ( ) . 2l2O4 , 2, AlO2 AlO2 ( AlO2 1 AlO2).
) 3SO3 ( ) + Al2O3 ( ) = Al2 (SO4)3
.
, , , - . .
IV
. . IA IIA , .
()
1. ( )
()2 + 2N3 = (N3)2 + 22 F()3 + 3l = F l3 + 3 2
|
|
|
2.
( )
2 + 2 = 23 + 2
2N + N25 = 2N N3 + 2
Sr()2 +V25 = Sr (V3)2 + 2
! -
, ,
.
2. -
(
).
u(()2 = u + 2
3. -
,
.
3N + Fl3 = F()3↓ + 3Nal
F()3.
()2 + N2S4 = 2N +S4↓
S4.
V
.
(N3,
2S4, 34, 23, n4 .) (l, 2S, HBr, HI .
, ,
, , . :
- HBr, HI, l, N3, 3 .
2SO4, 23, 2r4 .
- 34, 3s4 .
! , -
.
-
( ).
- l, HBr, HI, N3, 2SO4, l4,
.
