QQuestion
Give balanced equations for the following:
(a) Action of dilute hydrochloric acid on ammonium carbonate.
(b) Oxidation of sulphur with hot concentrated nitric acid.
(c) Reaction of concentrated sulphuric acid with carbon.
✓Answer
(a) \mathrm{(NH_4)_2CO_3 + 2HCl} \rightarrow \mathrm{2NH_4Cl + H_2O + CO_2}
(b) \mathrm{S + 6HNO_3} \xrightarrow{\mathrm{conc.,\ hot}} \mathrm{H_2SO_4 + 6NO_2 + 2H_2O}
(c) \mathrm{C + 2H_2SO_4} \xrightarrow{\mathrm{conc.}} \mathrm{CO_2 + 2H_2O + 2SO_2}
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