Question

On heating sodium hydrogen carbonate, it decomposes to form

• A. sodium bicarbonate, water and oxygen.
• B. sodium carbonate, water and oxygen.
• C. sodium bicarbonate, water and carbon dioxide.
• D. sodium carbonate, water and carbon dioxide.

Answer 1

The correct option is D sodium carbonate, water and carbon dioxide.

On heating sodium hydrogen carbonate, it decomposes to form sodium carbonate, water and carbon dioxide.
The reaction involved is:
$\text{2}NaHC{O}_3\to N{a}_{2}C{O}_3+H_{2}O+C{O}_2$