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Properties of substance:
hypochlorous acid
Group of substances:
inorganic
Physical appearance:
yellow aqueous solution
Empirical formula (Hill's system for organic substances):
HClO
Structural formula as text:
HOCl
Molar/atomic mass: 52.46
Solubility (g/100 g of solvent):
diethyl ether
: very soluble [
Ref.
]
Interatomic distances and bond angles:
Interatomic distances (in pm): 97,4 (H-O)
Interatomic distances (in pm): 168,9 (Cl-O)
Bond angles (in degrees): 104 (H-O-Cl)
Reactions of synthesis:
[
Ref.1
,
Ref.2
,
Ref.3
,
Ref.4
]
2Cl
2
+ HgO + H
2
O → 2HClO + HgCl
2
[
Ref.1
,
Ref.2
]
Cl
2
O + H
2
O → 2HClO
Dissociation:
pK
a
(1) = 7.2 (25°C, water)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-90 (g)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-71 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
236.474 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
37.284 (g)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-124.7
References:
Гринвуд Н., Эрншо А. Химия элементов. - Т.1. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 55 [Russian]
Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 251-252, 259-261 [Russian]
Реакции и методы исследования органических соединений. - Кн. 6. - М.: ГНТИХЛ, 1957. - pp. 14 [Russian]
Термодинамические свойства индивидуальных веществ. - Т.1, Кн.2. - М.: Наука, 1978. - pp. 103 [Russian]
Успехи химии. - 2004. - Т.73, №6. - pp. 665-667 [Russian]
Химическая технология неорганических веществ. - Кн.2, под ред. Ахметова Т.Г. - М.: Высшая школа, 2002. - pp. 269-270 [Russian]
Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 573 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru