Question

Осуществить превращение1) Cu(OH)2-CuSo4-Cu-CuO-Cu(NO3)22) Zn-ZnSO4-Zn(OH)2-K2Zn(OH)4-ZnCl2

Answer 1

Cu(OH)2 + H2SO4 = CuSO4 + 2H20

CuSO4+Zn=ZnSO4+Cu

2Cu+O2=2CuO

CuO+2HNO3=Cu(NO3)2+H20

Zn+H2SO4=ZnSO4+H2

ZnSO4+2KOH=Zn(OH)2+K2SO4

Zn(OH)2+ 2KOH=K2Zn(OH)4

K2Zn(OH)4+ 4HCl=2Kcl+ZnCl2+4H2O

Answer 2

Transformation 1: Cu(OH)2 to Cu(NO3)2

To transform Cu(OH)2 to Cu(NO3)2, we can follow the following steps:

1. Cu(OH)2 reacts with sulfuric acid (H2SO4) to form copper sulfate (CuSO4) and water (H2O) [[1]](https://adu.by/images/2023/him/fz-himia-10kl-dlya-uchashichsa.pdf). ``` Cu(OH)2 + H2SO4 -> CuSO4 + 2H2O ```

2. Copper sulfate (CuSO4) can be further reacted with copper (Cu) to produce copper oxide (CuO) and sulfur dioxide (SO2). ``` CuSO4 + Cu -> CuO + SO2 ```

3. Copper oxide (CuO) can react with nitric acid (HNO3) to form copper nitrate (Cu(NO3)2) and water (H2O). ``` CuO + 2HNO3 -> Cu(NO3)2 + H2O ```

Therefore, the transformation from Cu(OH)2 to Cu(NO3)2 involves the following reactions: Cu(OH)2 -> CuSO4 -> CuO -> Cu(NO3)2

Transformation 2: Zn to ZnCl2

To transform Zn to ZnCl2, we can follow the following steps:

1. Zinc (Zn) reacts with hydrochloric acid (HCl) to form zinc chloride (ZnCl2) and hydrogen gas (H2) [[1]](https://adu.by/images/2023/him/fz-himia-10kl-dlya-uchashichsa.pdf). ``` Zn + 2HCl -> ZnCl2 + H2 ```

Therefore, the transformation from Zn to ZnCl2 involves the following reaction: Zn -> ZnCl2

Please note that the reactions mentioned above are simplified representations of the transformations and may not account for all possible side reactions or conditions.