Short answerEasy1 mark
8(iv)
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
What is the property of sulphuric acid that makes it a suitable reagent for the reaction?
Topic: Metallurgy, ores, extraction and alloys
Previous-year question practice database
Answer
Exam answer
Concentrated H₂SO₄ is non-volatile and therefore displaces volatile HCl from NaCl.