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CBSE Class 12-science Answered

What is galvanic cell?
Asked by kripanjalihimansu | 28 Feb, 2019, 06:57: AM
answered-by-expert Expert Answer

Galvanic cell:

A galvanic cell is an electrochemical cell that converts the chemical energy of a spontaneous redox reaction into electrical energy.

  • In this device, the Gibbs energy of the spontaneous redox reaction is converted into electrical work 
           which may be used for running motor or other electrical gadgets like heater, fan, geyser, etc.
  • The following redox reaction occurs in Galvanic cell,
               Zn subscript open parentheses straight s close parentheses end subscript space space plus space Cu to the power of 2 plus end exponent subscript open parentheses aq close parentheses end subscript space space rightwards arrow space Zn to the power of 2 plus end exponent subscript open parentheses aq close parentheses end subscript space space plus space Cu subscript open parentheses straight s close parentheses end subscript
 

 

 

 

Answered by Varsha | 28 Feb, 2019, 11:04: AM
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