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Definition of Ni(OH)2
1.1 Names
1.1.1 Common name: Ni(OH)2 is known as Nickel(II) hydroxide.
1.1.2 English name: Ni(OH)2 is called Nickel(II) hydroxide.
1.2 Atomic mass: Ni(OH)2 has an atomic mass of 92.708 g/mol.
1.3 Atomic weight:
1.3.1 Molecular structure: Ni(OH)2 consists of a nickel ion and two hydroxide ions.
1.4 Ion structure: The nickel ion absorbs 2 electrons to form a Ni2+ ion, the hydroxide ion is OH-. -
Properties of Ni(OH)2
2.1 Physical properties of Ni(OH)2
State: Ni(OH)2 is a solid substance.
Color: Ni(OH)2 is blue-green in color.
Odor: Ni(OH)2 is odorless.
pH: Ni(OH)2 has a neutral pH.
2.2 Chemical properties of Ni(OH)2: Ni(OH)2 is insoluble in water, soluble in acid, forming nickel precipitate. -
Common chemical equations for Ni(OH)2
Since Ni(OH)2 is relatively inactive, it is less involved in chemical reactions. However, when it reacts with an acid, it can form salts and water. -
Preparation of Ni(OH)2
4.1 Laboratory preparation of Ni(OH)2: Ni(OH)2 can be prepared by reacting nickel with NaOH or NH4OH solution.
4.2 Industrial preparation of Ni(OH)2: In industry, Ni(OH)2 is usually prepared by reacting sodium hydroxide with nickel salts.