Short answerEasy1 mark
4(c)
Hydrogen chloride gas is prepared in the laboratory using concentrated sulphuric acid and sodium chloride. Answer the questions that follow based on this reaction:
Give the balanced chemical equation for the reaction with suitable condition(s) if any.
Topic: Hydrogen chloride: preparation and properties
Previous-year question practice database
Answer
Exam answer
NaCl + H₂SO₄(conc., below 200°C) → NaHSO₄ + HCl↑.
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