Question

Write the balanced equations for the reaction of dilute hydrochloric acid with sodium sulphite. [2 marks]

Answer 1

• When sodium sulphite reacts with $HCl$ it gives sodium chloride , water and $S{O}_2$ gas. [1 mark]
• The reaction is: $N{a}_{2}S{O}_3\left(s\right)+2HCl\left(aq\right)\to 2NaCl\left(aq\right)+H_{2}O\left(l\right)+S{O}_2\left(g\right)$ [1 mark]