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Properties of substance:

nickel cyanide

Group of substances:

inorganic

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

C2N2Ni

Structural formula as text:

Ni(CN)2

Molar/atomic mass: 110.728

Decomposition temperature (°C):

400

Solubility (g/100 g of solvent):

dimethylsulfoxide: insoluble [Ref.]
water: 0.0059 (18°C) [Ref.]

Reactions of synthesis:

  1. Yeild 98%. [Ref.1aster]
    NiSO4 * 6H2O + 2KCN → Ni(CN)2 + K2SO4 + 6H2O

Reactions:

  1. Yeild 97%. [Ref.1aster]
    Ni(CN)2 + 2KCN + H2O → K2[Ni(CN)4] * H2O

Standard molar enthalpy (heat) of formation ΔfH (298 K, kJ/mol)

113.4 (s) [Ref.]

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1340
  2. Лидин Р.А., Андреева Л.Л., Молочко В.А. Константы неорганических веществ. - М.: Дрофа, 2006. - pp. 144 [Russian]
  3. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 359 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru