The reaction `CuSO_4 + Zn to ZnSO_4 + Cu` is

Options

A. substitution
B. decomposition
C. dissociation
D. double decomposition

Explanation

To determine the type of reaction represented by the equation `CuSO4 + Zn → ZnSO4 + Cu`, we can analyze the components and the nature of the reaction step by step.

### Step 1: Identify the Reactants and Products
The reactants are copper(II) sulfate (CuSO4) and zinc (Zn). The products of the reaction are zinc sulfate (ZnSO4) and copper (Cu).

### Step 2: Analyze the Reaction
In this reaction, zinc (Zn) is reacting with copper(II) sulfate (CuSO4). Zinc is a more reactive metal compared to copper. When zinc is introduced to copper(II) sulfate, it displaces copper from the sulfate compound.

### Step 3: Determine the Type of Reaction
Since zinc displaces copper from copper(II) sulfate, this reaction can be classified as a substitution reaction. In a substitution reaction, a more reactive element displaces a less reactive element from its compound.

### Step 4: Conclusion
Thus, the reaction `CuSO4 + Zn → ZnSO4 + Cu` is a **substitution reaction** because zinc, being more reactive, substitutes copper in the copper(II) sulfate compound.

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