What is NaI? Important knowledge about NaI.

  1. Definition of NaI
    NaI, also known as Sodium Iodide, is a chemical compound of sodium and iodine. NaI consists of one sodium atom (Na) and one iodine atom (I), with an atomic mass of 149.89 and a molar mass of 149.89 g/mol. The molecular structure of NaI is similar to that of table salt, with each sodium atom linked to six iodine atoms and vice versa. The ions of NaI include sodium ion Na+ and iodide ion I-.

  2. Properties of NaI
    2.1 Physical Properties of NaI: NaI is solid, white, odorless and has neutral pH.
    2.2 Chemical Properties of NaI: NaI easily dissolves in water, ethanol, and glycerol. It can react with strong acids to form iodide and hydrogen gas.

  3. Common Chemical Equations of NaI
    Specific examples of chemical reactions involving NaI are its reactions with chlorine (Cl2), bromine (Br2), or with strong acids such as H2SO4, HCl.

  4. Preparation of NaI
    4.1 Laboratory Preparation of NaI: NaI can be prepared by reacting NaOH with I2.
    4.2 Industrial Preparation of NaI: On an industrial scale, NaI is usually produced by letting sodium react with iodine.

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