Question

give the following answers in the laboratory preparation of HCl: a) reactants, b) reaction, c) purification, d) precautions​

Answer 1

Answer:

$Answer</p><p></p><p>Open in answr app</p><p></p><p>(i) Hydrogen chloride gas is prepared by treating Sodium chloride with concentrated sulphuric acid. The HCl gas is passed through a drying agent to remove moisture where concentrated sulphuric acid plays the role of dehydrating agent as well.</p><p></p><p>(ii) NaCl+H2SO4→NaHSO4+HCl(g)</p><p></p><p>$