Question

State an important use of decomposition reactions.

Answer 1

“An important use of decomposition reactions is in the extraction of metals from their naturally occurring compounds like chlorides or oxides.”

For Example:

When electricity is passed through molten sodium chloride, it decomposes to give pure sodium metal at the cathode.

\[\ce{\underset{(molten)}{2NaCl} ->[Electricity] \underset{Metal}{2Na} + Cl_{(g)}}\]