Question

Write balanced equations for the reaction of dilute hydrochloric acid with each of the following: [5 MARKS]
(a) Iron
(b) Sodium hydrogen carbonate
(c) Iron(II) sulphide
(d) Sodium sulphite
(e) Sodium thiosulphate solution

Answer 1

Each Part: 1 Mark

(a) $Fe+2HCI\to FeC{l}_2+H_2$
(b) $NaHC{O}_3+HCl\to NaCl+H_{2}O+C{O}_2$
(c) $FeS+2HCI\to FeC{l}_2+H_{2}S$
(d) $N{a}_{2}S{O}_3+2HCl\to 2NaCI+H_{2}O+S{O}_2$
(e) $N{a}_2{S}_2{O}_3+2HCI\to 2NaCI+S+H_{2}O+S{O}_2$