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Properties of substance:

potassium ozonide

Group of substances:

inorganic

Physical appearance:

tetragonal crystals

Empirical formula (Hill's system for organic substances):

KO3

Structural formula as text:

KO3

Molar/atomic mass: 87.0965

Decomposition temperature (°C):

60

Solubility (g/100 g of solvent):

ammonia liquid : 12 (-63.5°C) [Ref.]
ammonia liquid : 14.82 (-35°C) [Ref.]
water: reaction [Ref.]

Interatomic distances and bond angles:

Interatomic distances (in pm): 303 (K-O) [crystals]
Interatomic distances (in pm): 270 (K-O) [crystals]
Interatomic distances (in pm): 138 (O-O) [crystals]
Bond angles (in degrees): 110 (O-O-O) [crystals]

Density:

1.99 (20°C, g/cm3)

Reactions of synthesis:

  1. [Ref.1]
    KO2 + O3 → KO3 + O2
  2. [Ref.1]
    6KOH + 4O3 → 4KO3 + 2KOH * H2O + O2

Reactions:

  1. [Ref.1]
    2KO3 → 2KO2 + O2

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

-261 (s)

References:

  1. Вольнов И.И. Перекисные соединения щелочных металлов. - М.: Наука, 1980. - pp. 102-115 [Russian]
  2. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 228 [Russian]
  3. Успехи химии. - 1971. - Т.40, №2. - pp. 301-305 [Russian]
  4. Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 333 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru