Question

${\mathrm{NaHCO}}_3$ on heating gives?

Answer 1

Decomposition reaction

• It is known that when a single compound breaks down into two or more different substances then this type of reaction is known as a decomposition reaction.
• Sodium carbonate $\left({\mathrm{NaHCO}}_3\right)$ is known as Baking soda.
• On heating, baking soda gradually decomposes to form Sodium carbonate and water along with the evolution of Carbon dioxide gas.

$\underset{\mathrm{Sodium}\mathrm{hydrogencarbonate}}{2{\mathrm{NaHCO}}_3\left(\mathrm{s}\right)\stackrel{\mathrm{Heat}}{\to }}\underset{\mathrm{Sodium}\mathrm{carbonate}}{{\mathrm{Na}}_2{\mathrm{CO}}_3\left(\mathrm{s}\right)}+\underset{\mathrm{Water}}{{\mathrm{H}}_2\mathrm{O}\left(\mathrm{g}\right)}+\underset{\mathrm{Carbon}\mathrm{dioxide}}{{\mathrm{CO}}_2\left(\mathrm{g}\right)}$