A compound X of sodium is used as an antacid

• Acids, Bases & Salts (C10)

A compound ‘X’ of sodium is used as an antacid and it decomposes on strong heating.

1. Name the compound ‘X’ and give its chemical formula.
2. Write a balanced chemical equation to represent the decomposition of ‘X’.
3. Give one use of compound ‘X’ besides an antacid.

Answer

(i) Sodium bicarbonate / Sodium hydrogencarbonate / baking soda and its formula is NaHCO₃

(ii) 2NaHCO₃ → Na₂CO₃ + CO₂ + H₂O

(iii) It is used in fire extinguisher and for baking.