In which condition can a salt solution be acidic?
Answer and explanation
Correct answer: In a salt made from a strong acid and a weak base
A salt formed from a strong acid and a weak base can produce an acidic aqueous solution. The cation from the weak base hydrolyses in water and forms hydronium ions, lowering the pH. Ammonium chloride is a standard example because it comes from hydrochloric acid and ammonium hydroxide. Strong acid–strong base salts are generally neutral, whereas weak acid–strong base salts are generally basic.
Frequently asked questions
What is the correct answer to this question?
In a salt made from a strong acid and a weak base
Why is this the correct answer?
A salt formed from a strong acid and a weak base can produce an acidic aqueous solution. The cation from the weak base hydrolyses in water and forms hydronium ions, lowering the pH. Ammonium chloride is a standard example because it comes from hydrochloric acid and ammonium hydroxide. Strong acid–strong base salts are generally neutral, whereas weak acid–strong base salts are generally basic.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Acids, Bases, and Salts.
