Question

Which of the following compounds' solubility will not be affected by a low pH in solution?

Answer 1

Which of the following compounds solubility CO(OH)2

Answer 2

The compound solubility which will not be affected by a low pH in solution is AgBr.

What is pH?

pH is a measure of the acidity or basicity of any solution and according to the pH scale 0 to 6.9 shows the acidity, 7 is neutral and 7.1 to 14 shows the basicity of any solution.

• AgBr is sparingly soluble in water and not soluble in acids, so if we low the pH of the solution towards the acidity its solubility not affected.
• NiCO₃ is a basic salt and and shows solubility in the acidic medium so change in pH will affect its solubility.
• Co(OH)₂ it is also a basic compound and shows its solubility in the acidic medium and get affected when change in pH takes place.
• PbF₂ is a strong base and also shows solubility in the acidic medium easily, so get affected when change in pH takes place.
• In CuS, sulphide is basic ion and whole compound shows solubility in the acidic medium and get affected when low pH of solution takes place.

AgBr is not affected by a low pH in solution.

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