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Nickel(II) bromide

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Identification
Molecular formula
NiBr2
CAS number
13462-88-9
IUPAC name
nickelous;dibromide
State
State

At room temperature, Nickel(II) bromide is typically a solid.

Melting point (Celsius)
963.00
Melting point (Kelvin)
1 236.00
Boiling point (Celsius)
1 455.00
Boiling point (Kelvin)
1 728.00
General information
Molecular weight
218.53g/mol
Molar mass
218.5300g/mol
Density
5.0980g/cm3
Appearence

Nickel(II) bromide appears as a yellowish to brown crystalline solid. It is often available in its hydrated form which is green in appearance.

Comment on solubility

Solubility of Nickel(II) Dibromide

Nickel(II) dibromide, represented by the chemical formula NiBr2, displays unique solubility characteristics that are essential to understand for applications in chemical processes and analytical chemistry.

When discussing the solubility of nickel(II) dibromide, consider the following points:

  • Solubility in Water: Nickel(II) dibromide is generally soluble in water, with the solubility being influenced by temperature. As temperature rises, the solubility tends to increase, allowing for greater dissolution of the compound.
  • Polar Solvents: Alongside water, nickel(II) dibromide is also soluble in other polar solvents which can interact favorably with the bromide ions.
  • Solubility Product: The solubility product constant (Ksp) for nickel(II) dibromide provides insights into its ionization in solution and can be useful in precipitation reactions.
  • Complex Formation: Nickel ions can form various complexes in solutions, which may impact the overall solubility of nickel(II) dibromide under different conditions.

In summary, while nickel(II) dibromide is soluble in water and polar solvents, its precise solubility parameters can shift depending on environmental conditions and the presence of other chemical species. As stated in regards to solubility, "It is not just the solute but the whole solution environment that dictates solubility." Thus, a full understanding of nickel(II) dibromide's solubility requires considering these factors comprehensively.

Interesting facts

Interesting Facts about Nickel(II) Dibromide

Nickel(II) dibromide, a fascinating coordination compound, holds significant importance in both industrial applications and research settings. Here are some interesting facts about this compound:

  • Chemical Nature: Nickel(II) dibromide is formed by the combination of nickel ions and bromide ions, showcasing nickel's ability to form stable complexes with halides.
  • Applications: This compound is commonly used in the production of nickel-based catalysts, which play a crucial role in various chemical reactions, especially in organic synthesis.
  • Color Change: The compound is known for its unique properties, including changes in color with temperature variations, making it a subject of interest for thermochromic studies.
  • Environmental Considerations: As a source of nickel, the compound also raises environmental concerns; understanding its behavior and interactions in biological systems is essential for assessing its ecological impact.
  • Coordination Chemistry: Nickel(II) dibromide serves as a classic example in coordination chemistry, providing insights into the geometry and bonding characteristics of transition metal complexes.

In the words of renowned chemist Linus Pauling, "The greatest asset of a scientist is not a wealth of knowledge… but creativity and imagination." These attributes ring true when exploring the intriguing world of compounds like nickel(II) dibromide and their multifaceted roles in science.


This compound not only enriches our understanding of coordination complexes but also opens avenues for innovation in various fields, such as materials science and catalysis.

Synonyms
nickel(2+) dibromide
nickelous;dibromide
Nickel(II)bromide
SCHEMBL66683
DTXSID40928693
AKOS030228262
NS00087582
D78234