Why is KCl solution neutral to litmus?
Understand the Problem
The question is asking why a potassium chloride (KCl) solution does not change the color of litmus paper, indicating that it is neutral. This typically involves understanding the nature of KCl as a salt and how it behaves in solution, particularly regarding pH.
Answer
KCl solution is neutral because it doesn't undergo hydrolysis.
The KCl solution is neutral to litmus because KCl is a salt formed from the neutralization of a strong acid (HCl) and a strong base (KOH), which does not undergo hydrolysis in water.
Answer for screen readers
The KCl solution is neutral to litmus because KCl is a salt formed from the neutralization of a strong acid (HCl) and a strong base (KOH), which does not undergo hydrolysis in water.
More Information
Hydrolysis is a reaction involving the breaking of a bond in a molecule using water. Salts from strong acids and bases do not react with water, hence remain neutral.
Tips
A common mistake is assuming all salts affect pH; however, salts from strong acids and bases typically result in neutral solutions.
Sources
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