Sodium Iodide Formula

Sodium Iodide Formula

The ionic interaction between sodium metal and iodine results in the salt known as sodium iodide. The Sodium Iodide Formula is NaI. The Sodium Iodide Formula is a white, soluble solid that, under normal circumstances, contains a lattice grid of sodium cations (Na+) and iodide anions (I) in a 1:1 ratio. Its primary applications in medicine are as dietary supplements and additives. The Sodium Iodide Formula is made when sodium hydroxide reacts with acidic iodides to make salt. The salt is chaotropic. A metal iodide salt with a Na(+) counterion is sodium iodide. It is an iodide salt and an inorganic sodium salt.

Numerous intriguing chemical and physical characteristics of the Sodium Iodide Formula exist. It is produced by combining an acid with a base without producing any by-products.

The following list includes sodium iodide’s physical characteristics.

  1. Sodium Iodide Formula has a melting point of 661 degrees Celsius.
  2. Sodium iodide has a boiling point of 1304 degrees Celsius.
  3. It is a potent deliquescent that turns into a solution when it absorbs moisture.
  4. It is a powder or crystal that is white and odourless.

What is Sodium Iodide?

When sodium hydroxide or sodium carbonate is added to hydriodic acid, sodium iodide, an ionic substance, is created. The Sodium Iodide Formula is NaI. Cubic crystals that are colourless and soluble in polar solvents make up its structure. One of the first members of the optical engineering family, it is regarded as a standard optical device by many scientists working in the field of detecting technology.

Sodium Iodide Chemical Structure

The inorganic salt Sodium Iodide Formula is NaI. It is a significant iodine source. In the industrial setting, sodium hydroxide and hydriodic acid or iodine react to form sodium iodide.

Preparation of Sodium Iodide

Commercial production of sodium iodide involves the interaction of sodium hydroxide with either iodine or hydriodic acid. It can also be produced by mixing the hydriodic acid solution with sodium carbonate.

Sodium Iodide Properties

Sodium Iodide appears white solid. NaI is the Sodium Iodide Formula. The Sodium Iodide Formula melting point is 660 °C, while its boiling point is 1,304 °C. It is 3.67 g/cm3 dense. The molar mass of sodium iodide is 149.89 g/mol. It is soluble in water.

Physical Properties of Sodium Iodide

The Sodium Iodide Formula Nal is a white, crystalline, deliquescent powder or granule that absorbs moisture from the air and has a little bitter taste; it eventually becomes brown when exposed to air because iodine is produced; 178.7 g/100 mL at 20 °C and 294 g/100 mL at 70 °C; extremely soluble in water; melts at 660 °C; vaporises at 1,304 °C; vapour pressure 1 torr at 767 °C and 5 torrs at 857 °C; soluble in ethanol and acetone.

Chemical Properties of Sodium Iodide

Sodium iodide dissolves in a variety of natural solvents, including water. Strong NaI solid changes colour when exposed to air or light due to the formation of iodine gas. It is affected by air, moisture, and light. It also reacts violently with a variety of oxidants, strong acids, and bromine trihalides to produce iodine. Iodides are strongly oxidised by oxygen (O2) to iodine gas (including sodium iodide) (I2). The triiodide complex, which is somewhat yellow in colour in contrast to the white hue of sodium iodide, is created as a result of the I2 and I-complex that is formed as a by-product. Water speeds up the oxidation process, and iodide can also produce I2 gas through straightforward photooxidation. This is among the main justifications for storing sodium iodide in low-light, low-temperature, and low-moisture environments. Precautions should be taken, and the solid should be kept free from outside influences.

Along with halogen substances like bromine or iodine gas fumes, hot sodium will also react to form sodium bromide or sodium iodide. Every single typical reaction that produces sodium iodide produces an orange flame and a white solid ionic lattice structure.

Sodium Iodide Uses

Mayer’s haematoxylin stain solution had sodium iodide as one of its ingredients.

It could be applied in the subsequent procedures:

Butyl acrylate’s precursor in the polymerization process.

DNA extraction using a chaotropic chemical.

Sample Questions

  1. Is sodium iodide a stable substance?

Nearly all iodides, including substances like sodium iodide, are converted into airborne molecules of iodine (I2) and oxygen (O2). In contrast to sodium iodide, which is white, I2 and I- complexes produce a triiodide molecule that is yellow.

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