What is Zn(OH)2? Important Knowledge About Zn(OH)2

  1. Definition of Zn(OH)2

Zn(OH)2, also known as zinc hydroxide, is a white, odorless solid that is insoluble in water, but soluble in strong acid or base. Its English name is Zinc Hydroxide. The molar mass of Zn(OH)2 is 99.424 g/mol. The molecular structure consists of one zinc atom (Zn) and two hydroxide atoms (OH). Zn(OH)2 has an ionic structure consisting of a zinc ion Zn2+ and two hydroxide ions OH-.

  1. Properties of Zn(OH)2

2.1 Physical properties of Zn(OH)2: Zn(OH)2 is a white, odorless solid. Its pH is approximately 7, indicating that it is a neutral substance.

2.2 Chemical properties of Zn(OH)2: Zn(OH)2 can react with acids to form salts and water. It can also react with metals to form salts and hydrogen.

  1. Common chemical equations of Zn(OH)2

Zn(OH)2 can react with acids such as HCl, H2SO4 to form salts ZnCl2, ZnSO4 and water:

Furthermore, Zn(OH)2 also reacts with non-metals such as O2, S to form zinc oxide and sulfide:

  1. Preparation of Zn(OH)2

4.1 Laboratory preparation of Zn(OH)2: Zn(OH)2 can be prepared by reacting Zn with water:

4.2 Industrial preparation of Zn(OH)2: In industry, Zn(OH)2 is usually prepared by reacting Zn with a solution of NaOH:

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