Bromat kislota
Andoza:Вещество
Bromat kislotasi — noorganik birikma, formulasi HBrO 3 boʻlgan bir asosli kislota, erkin holatda ajratilmagan, eritmada mavjud — rangsiz (yoki biroz sargʻish) suyuqlik, maksimal konsentratsiyasi 50 % gacha, kuchli kislota .
Olinishi
B
r
2
+
5
C
l
2
+
6
H
2
O
→
90
o
C
2
H
B
r
O
3
+
10
H
C
l
{\displaystyle {\mathsf {Br_{2}+5Cl_{2}+6H_{2}O\ {\xrightarrow {90^{o}C}\ 2HBrO_{3}+10HCl}
Brom ni kumush bromat eritmasida eritish:
3
B
r
2
+
5
A
g
B
r
O
3
+
3
H
2
O
→
6
H
B
r
O
3
+
5
A
g
B
r
↓
{\displaystyle {\mathsf {3Br_{2}+5AgBrO_{3}+3H_{2}O\ {\xrightarrow {}\ 6HBrO_{3}+5AgBr\downarrow }
Brom pentafloridning gidrolizi:
B
r
F
5
+
3
H
2
O
→
H
B
r
O
3
+
5
H
F
{\displaystyle {\mathsf {BrF_{5}+3H_{2}O\ {\xrightarrow {}\ HBrO_{3}+5HF}
Almashinish reaktsiyalari:
B
a
(
B
r
O
3
)
2
+
H
2
S
O
4
→
H
B
r
O
3
+
B
a
S
O
4
↓
{\displaystyle {\mathsf {Ba(BrO_{3})_{2}+H_{2}SO_{4}\ {\xrightarrow {}\ HBrO_{3}+BaSO_{4}\downarrow }
Fizikaviy xossalari
Bromat kislotasi erkin holatda ajratilmaydi, u eritmada mavjud — maksimal konsentratsiyasi 50 % gacha boʻlgan rangsiz (yoki ozgina sargʻish) suyuqlik.
Kuchli kislota p K 1 = −2.
Kimyoviy xossalari
Isitilganda parchalanadi:
4
H
B
r
O
3
→
100
o
C
2
B
r
2
↑
+
5
O
2
↑
+
2
H
2
O
{\displaystyle {\mathsf {4HBrO_{3}\ \xrightarrow {100^{o}C} \ 2Br_{2}\uparrow +5O_{2}\uparrow +2H_{2}O}
Ishqorlar bilan bromat tuzlarini hosil qiladi:
H
B
r
O
3
+
N
a
O
H
→
N
a
B
r
O
3
+
H
2
O
{\displaystyle {\mathsf {HBrO_{3}+NaOH\ {\xrightarrow {}\ NaBrO_{3}+H_{2}O}
H
B
r
O
3
+
5
H
B
r
→
3
B
r
2
+
3
H
2
O
{\displaystyle {\mathsf {HBrO_{3}+5HBr\ {\xrightarrow {}\ 3Br_{2}+3H_{2}O}
Adabiyot
Химическая энциклопедия . М.: Советская энциклопедия, 1988.
Лидин Р.А. и др.. Химические свойства неорганических веществ: Учеб. пособие для вузов , 3-е изд., испр, М.: Химия, 2000. ISBN 5-7245-1163-0 .
Справочник химика , 3-е изд., испр, Л.: Химия, 1971.
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