Q. 174.3( 9 Votes )

Among sulphurous acid and sulphuric acid, which is stronger and why?

Class 10th All In One Science 2. Acids, Base and Salts

Answer :

Sulphuric acid (H₂SO₄) is much stronger than sulphurous acid (H₂SO₃) because when sulphuric acid dissociates, it gives more number of H⁺ ions i.e. 2 whereas on dissociation, sulphurous acid gives less number of H⁺ ions i.e. 1.

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