What is K4Fe(CN)6? Important knowledge about K4Fe(CN)6

  1. Definition of K4Fe(CN)6
    1.1 Names
    1.1.1 The common name of K4Fe(CN)6 is Kalium ferrocyanid, commonly known as Potassium ferrocyanide.
    1.1.2 In English, this substance is known as Potassium ferrocyanide.
    1.2 This substance contains Potassium (K), Iron (Fe), and a total of 6 Carbon (C) and Nitrogen (N) atoms.
    1.3 The molecular weight of K4Fe(CN)6 is 368.35 g/mol.
    1.3.1 Molecular structure: K4Fe(CN)6 has 4 potassium ions, one iron ion and six cyanide groups.
    1.4 Ion structure: K4Fe(CN)6 has K+ ions and the [Fe(CN)6]4- ion group.

  2. Properties: K4Fe(CN)6
    2.1 Physical properties of K4Fe(CN)6
    State: solid
    Color: colorless to white
    Odor: odorless
    pH: does not affect pH
    2.2 Chemical properties of K4Fe(CN)6: K4Fe(CN)6 does not react strongly in chemical reactions. It can react with strong oxidizing agents or strong acids to produce Iron (III) and toxic hydrogen cyanide gas.

  3. Chemical equation: K4Fe(CN)6 is often used in the identification of Iron (III) in chemical reactions. Specifically, it produces a brown-red precipitate when reacting with Iron (III).

  4. Preparation of K4Fe(CN)6
    4.1 Laboratory preparation of K4Fe(CN)6: It is often prepared through the reaction of iron, potassium hydroxide, and sulfur gas.
    4.2 Industrial preparation of K4Fe(CN)6: It is manufactured by heating iron in a solution of potassium hydroxide with sulfur gas.

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