Question

Complete the following reaction: Metal carbonate/Metal hydrogen carbonate + ______ → Salt + ______ +water.

Answer 1

Explanation:

Answer: Acids give carbon dioxide gas, respective salt and water when they react with metal hydrogen carbonate. Acid + Metal hydrogen carbonate → Salt + Carbon dioxide + Water.

Answer 2

Metal carbonates and metal hydrogen carbonates react with acids to form salt, carbon dioxide and water.

Metal carbonate/metal hydrogen carbonate + acid → Salt + carbon dioxide +water.

A few examples of this reaction are as follows:

• Sodium carbonate reacts with hydrochloric acid to give sodium chloride, water and carbon dioxide.

        $Na_{2} CO_{3} + 2HCl -> 2NaCl + H_{2}O + CO_{2}$

• Sodium hydrogen carbonate reacts with hydrochloric acid to give sodium chloride, water and carbon dioxide.

        $NaHCO_{3} + HCl -> NaCl + H_{2}O + CO_{2}$

• Ferrous carbonate reacts with sulphuric acid to form ferrous sulphate, water and carbon dioxide.

        $FeCO_{3} + H_{2}SO_{4} -> FeSO_{4} + H_{2}O + CO_{2}$

• Calcium carbonate reacts with hydrochloric acid to give calcium chloride, water and carbon dioxide.

        $CaCO_{3} + 2HCl -> CaCl_{2} + H_{2}O + CO_{2}$