Multiple choice

Which of the following is a dibasic acid?

  1. Nitir acid

  2. Sulphuric acid

  3. Phosphoric acid

  4. Sodium carbonate

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A dibasic acid has two acidic hydrogen atoms in its molecules which can be ionised. Sulphuric Acid, H2SO4, is a dibasic acid, because it contains two hydrogens atoms which ionise in aqueous solution to become Hydrogen Ions, H+.