Nickel Chloride Formula – Structure and Properties

Nickel chloride formula is NiCl2. This article will explore different aspects of nickel chloride formula, chemical structure, formula mass, the unique formula for Nickel(III) chloride, and the composition of hydrated nickel chloride.

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Nickel Chloride Formula

Nickel chloride formula is NiCl2. Nickel Chloride formula represents the composition of nickel chloride, consisting of one nickel (Ni) atom bonded to two chlorine (Cl) atoms. Nickel chloride is an essential chemical compound with various applications in industry and chemistry.

Nickel Chloride Formula

The chemical formula for the most common form of nickel chloride is NiCl2. This formula signifies that each molecule of nickel chloride consists of one nickel (Ni) atom and two chlorine (Cl) atoms. Nickel chloride exists in both anhydrous and hydrated forms, and NiCl2 is widely used in various industrial applications.

Nickel Chloride Formula

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Nickel Chloride Formula Chemical Structure

The chemical structure of nickel chloride, NiCl2, reveals that one nickel atom is centrally bonded to two chlorine atoms. This results in a linear molecular structure with a dimeric arrangement, where two chlorine atoms are coordinated with one nickel atom.

Nickel Chloride Formula Mass

To calculate the molar mass of nickel chloride (NiCl2), we sum the atomic masses of its constituent elements. The atomic masses are approximately:

– Nickel (Ni) has an atomic mass of around 58.69 g/mol.

– Chlorine (Cl) has an atomic mass of approximately 35.45 g/mol.

Molar Mass of Nickel Chloride (NiCl2) = (1 * 58.69 g/mol) + (2 * 35.45 g/mol) ≈ 129.59 g/mol

Also Read: Citric Acid Formula

Nickel(III) Chloride Formula

Nickel(III) chloride is a less common form of nickel chloride that contains nickel in a +3 oxidation state. Its chemical formula is NiCl3. This compound is less stable than nickel(II) chloride and is not as commonly encountered. In contrast to NiCl2, nickel(III) chloride has a higher oxidation state for the nickel atom and is less prevalent in chemical and industrial applications.

Hydrated Nickel Chloride Formula

Hydrated nickel chloride is a form of nickel chloride that contains water molecules as part of its structure. The most common hydrated form is hexahydrate nickel chloride, with the chemical formula NiCl2·6H2O. This compound consists of NiCl2 molecules surrounded by six water molecules per formula unit.

Hydrated nickel chloride is often used in various chemical and industrial processes and can serve as a source of nickel ions in solution. The presence of water molecules can affect its physical and chemical properties, making it versatile in various applications.

Understanding the different formulas and forms of nickel chloride is crucial in the realm of chemistry and various industries, including electroplating, catalysis, and materials science. Each form has unique properties and uses that contribute to its significance in the field.

Nickel Chloride Properties

Nickel Chloride Properties 
Chemical formula NiCl2
Molecular weight 129.593 g/mol (anhydrous)

237.69 g/mol (hexahydrate)

Density 3.55 g/cm3 (anhydrous)

1.92 g/cm3 (hexahydrate)

Melting point 1001 °C (anhydrous)

140 °C (hexahydrate)

Acidity (pKa) 4 (hexahydrate)

Also Read: Tartaric Acid Formula

Uses of Nickel Chloride

  • In electroplating, nickel chloride is used to coat other metals with nickel.
  • Cast zinc is nickel-plated with it.
  • Nickel is electrolytically refined with it.
  • Nickel catalysts and complex nickel salts are made from nickel catalysts.
  • Among other uses, it is used in industrial gas masks to absorb ammonia gas.

Safety Measures For Nickel Chloride

Read the instructions carefully before using Nickel Chloride.

  • Ventilation should be adequate when using.
  • Vapor should not be breathed
  • Surface and groundwater drains should be kept away from.
  • Keep skin, eyes, and clothing away from contact.
  • Wash contaminated clothing before rewearing.
  • During work hours, do not eat, drink, or smoke.
  • Before eating, wash your hands.
  • Ensure that dust is generated and accumulated as little as possible.

Health Hazardous of Nickel Chloride

  • Nickel Chloride can irritate the nose, throat, and lungs when breathed in
  • Skin and eyes can be irritated and burned by contact
  • A skin allergy may result from it
  • It can cause itching and a rash on the skin
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Nickel Chloride FAQs

How do you write nickel chloride?

Nickel chloride is typically written as "nickel chloride." In chemical notation, its formula is NiCl2, which represents one nickel (Ni) atom bonded to two chlorine (Cl) atoms.

What is in nickel chloride?

Nickel chloride contains nickel (Ni) and chlorine (Cl) atoms. Specifically, each molecule of nickel chloride (NiCl2) consists of one nickel atom and two chlorine atoms bonded together.

What is the name of NiCl2?

The chemical name of NiCl2 is "nickel chloride." This name reflects the composition of the compound, with "nickel" representing the nickel element and "chloride" signifying the chlorine atoms in the compound.

What is the structure of NiCl2?

The structure of NiCl2, or nickel chloride, consists of a nickel (Ni) atom centrally bonded to two chlorine (Cl) atoms. This forms a linear molecular arrangement with a dimeric structure, where one nickel atom is coordinated with two chlorine atoms. This structure is integral to understanding the chemical and physical properties of nickel chloride.

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