Paris green is

Options

A. Double green is copper carbonate and copper nitrate
B. Double salt of copper acetate and copper arsenite
C. Double salt of copper acetate and copper sulphate
D. Double salt of copper and silver nitrate

Answer

**Step-by-Step Text Solution:**

1. **Identify Paris Green**: Paris Green is a pigment that is primarily used in art and as a pesticide. It is important to know its chemical composition to understand its properties and uses.

2. **Chemical Formula**: The chemical formula for Paris Green is given as Cu(C2H3O2)2·3Cu(AsO2)2. This indicates that it consists of copper acetate and copper arsenate.

3. **Understanding the Components**:
- **Copper Acetate (Cu(C2H3O2)2)**: This is a compound formed from copper and acetic acid.
- **Copper Arsenate (Cu(AsO2)2)**: This compound consists of copper and arsenic acid.

4. **Analyzing the Options**: The question provides several options regarding the nature of Paris Green:
- Option 1: Double Green is Copper Carbonate and Copper Nitrate
- Option 2: Double Salt of Copper Acetate and Copper Arsenate
- Option 3: Double Salt of Copper Acetate and Copper Sulphate
- Option 4: Double Salt of Copper Silver Nitrate

5. **Selecting the Correct Answer**: Based on the chemical formula and the components identified, the second option, which states that Paris Green is a "Double Salt of Copper Acetate and Copper Arsenate," is the correct answer.

**Final Answer**: Paris Green is a double salt of copper acetate and copper arsenate.

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