Question

What is electrolytic decomposition? Give two uses of electrolytic decomposition reaction.

Answer 1

Answer:

Electrolytic decomposition – The decomposition reaction in which a substance is decomposed in to its constituents by use of electricity. Uses: 1) This reaction is used for the industrial preparation of aluminium, sodium, chlorine etc. 2) This reaction is used in electroplating.

Answer 2

Definition - The decomposition reactions where energy is supplied in the form of electricity are called electrolytic decomposition reactions.

eg : Decomposition of water by electrolysis :

2H2O = 2H2 + O2

Uses : 1) Electroplating

2) Extraction of highly reactive metals from their ores

3) Electrorefining of metals