Question:

Correct solubility order of AgF, AgCl, AgBr, AgI in water is:

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The solubility of silver halides decreases as the size of the halide ion increases due to the balance of lattice energy and hydration energy.
Updated On: Jan 10, 2025
  • AgF<AgCl>AgBr>AgI
  • AgI<AgBr<AgCl<AgF
  • AgF<AgCl<AgBr<AgI
  • AgCl>AgBr>AgF>AgI
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The Correct Option is B

Solution and Explanation

The solubility of silver halides in water decreases as the size of the halide ion increases. This is because:

  • Larger halide ions (e.g., I) have lower lattice energy compared to smaller halide ions (e.g., F).
  • The lattice energy dominates over the hydration energy, making the solubility lower for larger ions.

Therefore, the solubility order is: AgF>AgCl>AgBr>AgI.

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