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Properties of substance:

bismuth oxychloride

Group of substances:

inorganic

Physical appearance:

colorless tetragonal crystals

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

BiClO

Structural formula as text:

BiOCl

Molar/atomic mass: 260.43

Melting point (°C):

232.5

Decomposition temperature (°C):

575

Solubility (g/100 g of solvent):

acetone: insoluble [Ref.]
ammonia liquid : insoluble [Ref.]
formic acid 95%: 0.05 (19.8°C) [Ref.]
water: insoluble [Ref.]

Reactions of synthesis:

  1. [Ref.1]
    BiCl3 + H2O → BiOCl + 2HCl

Dissociation:

pKsp (0) = 9.15 (25°C, water)

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

-369 (s)

Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

-319 (s)

Standard molar entropy S0 (298.15 K, J/(mol·K)):

103 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-52
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 108-109 [Russian]
  3. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 959 [Russian]
  4. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 381 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru