Define:
Electrochemical reaction.
Give one example

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Solution

A reaction in which there is the absorption of electrical energy is called a $e l e c t r o c h e m i c a l$ $r e a c t i o n$ .
Ex: Fused potassium chloride, on passing a current through it, breaks into charged particles (ions) of potassium chloride.
$K C l e l e c t r i c c u r e n t - ------- \to K^{+} + C l^{-}$

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