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Define electrochemical series. Write its applications. |
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Answer» SOLUTION :Electrochemical series : The arrangement of ELECTRODES (metal or non-metal in contact with their ions) with the electrode half reaction in order of DECREASING standard potential is known as electrochemical series. Applications of electrochemical series : (i) Relative strength of oxidising agents in terms of `E^(@)` values can be calculated. (ii) Relative strength of reducting agents in terms of `E^(@)` values can be calculated. (iii) To identify the spontaneous DIRECTION of reaction. (iv) To calculate the `E_("cell")^(@)` values. `E_("cell")^(@)=E_("RHE")^(@)-E_("LHE")^(@)` |
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