Question

What is meant by strong acids and weak acids? Classify the following into strong acids and weak acids:

HCI,  CH₃  COOH,   H₂ SO 4,   HNO_3,  H2 CO₃ , H₂ SO₃

Answer 1

Strong acids are those that completely dissociate into their ions when mixed with water, whereas weak acids are those that dissociate only partially into their ions when added to water.

Strong acids – HCl, H₂SO₄, HNO₃
Weak acids – CH₃COOH, H₂CO₃, H₂SO₃