`CaC_(2)O_(4)darr+CH_(3)COOHto`No reaction

Options

A. For precipitate formation reaction
B. For precipitate dissolution reaction
C. For precipitate exchange reaction
D. For no reaction

Answer

To solve the question of whether calcium oxalate (CaC₂O₄) reacts with acetic acid (CH₃COOH), we can follow these steps:

### Step 1: Identify the Reactants
The reactants in this case are calcium oxalate (CaC₂O₄) and acetic acid (CH₃COOH).

### Step 2: Understand the Nature of the Reactants
Calcium oxalate is known to be a sparingly soluble salt. It does not dissolve well in water or in weak acids like acetic acid.

### Step 3: Analyze the Solubility
We need to determine if CaC₂O₄ is soluble in CH₃COOH. The solubility product (Ksp) of CaC₂O₄ is very low, indicating that it does not readily dissolve in solutions, including acetic acid.

### Step 4: Predict the Reaction
Since CaC₂O₄ is not soluble in acetic acid, it will not dissociate into its ions. Therefore, there will be no chemical reaction between CaC₂O₄ and CH₃COOH.

### Step 5: Conclusion
Based on the above analysis, we conclude that there is no reaction between calcium oxalate and acetic acid. The correct answer is "No reaction."

### Final Answer
CaC₂O₄ + CH₃COOH → No reaction

---