give applications of electrolysis of water.
Atleast 5 points.
Answers
Electrolysis has wide applications in industries. Some of the important applications are, as follows,
(i) Production of hydrogen by electrolysis of water.
(ii) Manufacture of heavy water .
(iii) The metals like K, Mg, Al, etc., are obtained by electrolysis of fused electrolytes.
(iv) Non-metals like hydrogen, fluorine, chlorine are obtained by electrolysis.
(v) In this method pure metal is deposited at cathode from a solution containing the metal ions etc.
(vi) Compounds like NaOH, KOH, white lead, etc. are synthesised by electrosynthesis method.
(vii) Electroplating: The process of coating an inferior metal with a superior metal by electrolysis is known as electroplating.
The aim of electroplating is, to prevent the inferior metal from corrosion and to make it more attractive in appearance. The object to be plated is made the cathode of an electrolytic cell that contains a solution of ions of the metal to be deposited.
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Hi Nandini, ihope this will help you
Electrolysis of water is its decomposition to give hydrogen and oxygen gases due to the passage of an electric current.
2H2O + electrical energy (+ heat energy) --> O2 + 2H2
applications are, as follows,
(i) Production of hydrogen by electrolysis of water.
(ii) Manufacture of heavy water .Formula: D2O
(iii) This technique can be used to make hydrogen fuel for passenger cars, and has been used in fuel cell buses for many years.
(iv) Water electrolysis is also used to generate oxygen for the International Space Station.
(v)Electro-refining In this method pure metal is deposited at cathode from a solution containing the metal ions etc. though it is not absolutly water but water bssed solution of salts are used.
only electrolysis of water have very limited uses but electrolysis have wider applications in mant areas such as
In this method pure metal is deposited at cathode from a solution containing the metal ions etc.
(vi) Compounds like NaOH, KOH, white lead, etc. are synthesised by electrosynthesis method.
(vii) Electroplating: The process of coating an inferior metal with a superior metal by electrolysis is known as electroplating etc.