Question

Mention few applications of electrochemistry. (2 marks)

Answer 1

The uses of electrochemistry are mentioned below:

• It has been used to discover important technical processes for the production and purification of non-ferrous metals, and for the electro-synthesis of organic compounds. (0.5 mark)
• Electrochemistry is used to predict whether a particular reaction will occur or not. (0.5 mark)
• The detection of alcohol in drunken drivers is possible through the electrochemical redox reaction of ethanol. (0.5 mark)
• Lead acid batteries, lithium-ion batteries and fuel cells are based on electrochemical cells. Fuel cell is used to bring about direct conversion of chemical energy into electrical energy. (0.5 mark)