Question

You have sodium hydroxide solution. If you want to perform the experiment of neutralisation, which among the following will you use?

• A. Ammonium hydroxide
• B. Lithium hydroxide
• C. Hydrochloric acid
• D. Sulphuric acid

Answer 1

Answer: (C), (D)

The correct options are
C Hydrochloric acid
D Sulphuric acid

An acid reacts with a base to form salt and water. This is known as neutralisation reaction. Sodium hydroxide is a base. It reacts with an acid to form salt and water respectively.

Here, hydrochloric acid and sulphuric acid are acids. So, sodium hydroxide will react with them to form respective salt and water. These reactions can be represented as:

Sodium hydroxide + Hydrochloric acid $\to$ Sodium chloride + Water

Sodium hydroxide + Sulphuric acid $\to$ Sodium sulphate + Water

Two bases do not react with each other. So, sodium hydroxide will not react with ammonium hydroxide and lithium hydroxide.