Which salt will show acidic nature in aqueous solution?
Answer and explanation
Correct answer: Ammonium chloride
Ammonium chloride is formed from hydrochloric acid, a strong acid, and ammonium hydroxide, a weak base. In water, the ammonium ion undergoes hydrolysis and produces hydronium ions, making the solution acidic. Sodium carbonate gives a basic solution, while sodium chloride and potassium nitrate are generally neutral because they come from strong acid–strong base combinations. Thus A is the only acidic salt.
Frequently asked questions
What is the correct answer to this question?
Ammonium chloride
Why is this the correct answer?
Ammonium chloride is formed from hydrochloric acid, a strong acid, and ammonium hydroxide, a weak base. In water, the ammonium ion undergoes hydrolysis and produces hydronium ions, making the solution acidic. Sodium carbonate gives a basic solution, while sodium chloride and potassium nitrate are generally neutral because they come from strong acid–strong base combinations. Thus A is the only acidic salt.
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.