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Zinc ion

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Identification
Molecular formula
Zn2+
CAS number
23713-49-7
IUPAC name
zinc(2+)
State
State

At room temperature, zinc ions are typically found in solution as part of various compounds. As ions, they are not encountered in a solid, liquid, or gas state by themselves but rather as ions in dissolved form in aqueous solutions.

Melting point (Celsius)
419.50
Melting point (Kelvin)
692.65
Boiling point (Celsius)
907.00
Boiling point (Kelvin)
1 180.15
General information
Molecular weight
65.38g/mol
Molar mass
65.3800g/mol
Density
7.1400g/cm3
Appearence

Zinc ions are not visual entities themselves and do not have a characteristic appearance. Zinc, in its metallic form, appears as a bluish-silver shiny metal. However, in ionic form, such as in a solution, zinc ions do not impart any specific color and are typically invisible to the naked eye.

Comment on solubility

Solubility of Zinc(II) Ions

The solubility of zinc ions, represented as Zn2+, is a key aspect in understanding its behavior in various chemical environments. This cation is known to form soluble compounds with various anions, which contributes to its significance in biological and industrial processes.

Factors Influencing Solubility

Several factors affect the solubility of Zn2+ in aqueous solutions:

  • pH Level: Zinc solubility generally increases in acidic conditions, as lower pH can prevent the formation of insoluble zinc hydroxides.
  • Temperature: Higher temperatures often increase the solubility of salts in water, making zinc more accessible in warmer environments.
  • Presence of Complexing Agents: Ligands such as ammonia or citrates can enhance the solubility of zinc by forming stable complexes.

Common Zinc Compounds

Some important soluble zinc compounds include:

  • Zinc sulfate (ZnSO4): Highly soluble in water.
  • Zinc chloride (ZnCl2): Also very soluble and hygroscopic.
  • Zinc acetate (Zn(C2H3O2)2): Readily soluble in water.

However, zinc can form insoluble compounds with certain anions, such as:

  • Zinc phosphate (Zn3(PO4)2): Insoluble and often precipitates in neutral to alkaline conditions.
  • Zinc carbonate (ZnCO3): Typically insoluble in water, especially at higher pH levels.

In summary, the solubility of Zn2+ is governed by a variety of environmental factors and can significantly affect its utilization in chemical reactions and biological systems. Understanding this solubility behavior enables chemists to manipulate and predict the behavior of zinc in various applications.

Interesting facts

Facts About Zinc Ion (Zn2+)

Zinc ions, denoted as Zn2+, play a crucial role in various biological and chemical processes. This cation is not only significant in industrial applications but also vital for living organisms. Here are some fascinating insights into zinc ions:

  • Essential for Life: Zinc is an essential trace element for all living organisms. It contributes to over 300 enzymes in the human body, influencing processes like metabolism, digestion, and nerve function.
  • Structural Role: In proteins, Zn2+ acts as a structural stabilizer. Many proteins, including zinc finger proteins that bind to DNA, rely on zinc for their structural integrity.
  • Immune Function: Zinc ions are pivotal for maintaining a healthy immune system. They help in the development and activation of T-lymphocytes, which are crucial for immune response.
  • Electrochemical Properties: The electrochemical nature of Zn2+ makes it a popular choice in batteries, particularly in alkaline batteries. Its ability to donate electrons allows for effective energy storage.
  • Biocompatibility: Due to its biocompatibility, Zn2+ is used in various medical applications, including wound healing and zinc supplements to address deficiencies.

Furthermore, zinc ions are pivotal in the field of materials science. Their compounds, such as zinc oxide, are utilized in products ranging from cosmetics to sunscreens, providing UV protection due to their reflective properties.

As noted by chemists, "Zinc is the invisible hand that guides countless biochemical reactions." This highlights how Zn2+ is often taken for granted despite its fundamental importance in both nature and technology.

Overall, the significance of Zn2+ encapsulates both its essential biological functions and its numerous applications, making it a truly remarkable compound in the world of chemistry.

Synonyms
zinc ion
zinc(2+)
Zinc cation
23713-49-7
Zinc, ion (Zn2+)
zinc(II)
Zinc ions
Zinc ion(2+)
Zinc 2+
CHEBI:29105
13S1S8SF37
Zn(II)
RefChem:1101172
CHEBI:27365
CHEBI:63056
Velmanase Alfa
9025-42-7
Topostin B
Zn2+
Lamazym
Rhlaman
Velmanase Alfa [INN]
R-H-Laman
UNII-M91TG242P2
Zinc (II) cation
Zinc (II) ion
Recombinant human laman
Zinc (II)
CHF-LMZYMAA1
alpha-Mannosidase recombinant human
Recombinant Human Alpha-mannosidase
Velmanase alfa [USAN]
Velmanase alfa [WHO-DD]
A16AB
Zn(2+)
M91TG242P2
Velmanase alfa [USAN:INN:WHO-DD]
WHO 10140
Mannosidase, alpha- (synthetic human)
126603-04-1
Lysosomal alpha-mannosidase, recombinant
1492823-75-2
Mannosidase, alpha, class 2b, member 1, recombinant
Zinc(2+)ions
UNII-13S1S8SF37
Zinc dication
Zinc divalent ion
zinc(II) cation
ZnII
IONIC ZINC
Zn(II) (incorrect)
Zinc ion (2+)
BDBM16
Zinc (2+)
Zn+2
CHEMBL1236970
SCHEMBL29356898
DTXSID40920495
DB14532
DA-50356
DA-58979
C00038
Q26987394