Question

Zn=>ZnO=>ZnCl2=>ZnNO2=>Zn(OH)2=>K2ZnO2

Answer 1

2Zn+O2=2ZnO
ZnO+2HCl=ZnCl2+H2O
ZnCl2+2AgNO2=Zn(NO2)2+2AgCl↓
Zn(NO2)2+2NaOH=Zn(OH)2+2NaNO2
Zn(OH)2+2KOH=K2ZnO2+2H2O

Answer 2

It seems like you're listing a series of chemical compounds involving zinc (Zn) and various elements and molecules. This list appears to represent a sequence of reactions or chemical transformations. Let me explain each step:

1. Zn (Zinc) - This is the starting material, elemental zinc.

2. ZnO (Zinc Oxide) - Zinc reacts with oxygen to form zinc oxide.

3. ZnCl2 (Zinc Chloride) - Zinc oxide can react with hydrochloric acid (HCl) to form zinc chloride.

4. Zn(NO2)2 (Zinc Nitrite) - Zinc chloride can react with sodium nitrite (NaNO2) to form zinc nitrite.

5. Zn(OH)2 (Zinc Hydroxide) - Zinc nitrite can react with sodium hydroxide (NaOH) to form zinc hydroxide.

6. K2ZnO2 (Potassium Zincate) - Zinc hydroxide can react with potassium hydroxide (KOH) to form potassium zincate.

It's important to note that the actual reactions and products may vary depending on the reaction conditions and reactants used. If you have specific questions about any of these reactions or compounds, please feel free to ask for more details.