Question

What are strong and weak acids? In the following list of acids separate strong acids from weak acids.​

Hydrochloric acid
Citric acid
Acetic acid
Nitric acid
Formic acid
Sulphuric acid

Answer 1

Acids that get completely ionised in aqueous solutions are called strong acids.

Examples: Hydrochloric acid, nitric acid, and sulphuric acid
​
Acids that do not get completely ionised in aqueous solutions are called weak acids. ​

Examples: Acetic acid, citric acid and formic acid