Question

State the property of sulphuric acid shown by the reaction of conc. sulphuric acid when heated with potassium nitrate.

Answer 1

It behaves as a non-volatile acid and helps in the production of a volatile acid.

\[\ce{KNO3 + \underset{Non-volatile acid}{H2SO4} ->[<200^\circ C] NaHSO4 + \underset{Volatile acid}{HNO3}}\]