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Define auto -oxidation reaction and its examples. |
Answer» Solution : Displacement reaction : Redox reactions in which an ion ( or an atom) in a compound is replaced by an ion (or atom) of another element are called displacement reactions. They are further classified into (i) METAL displacement reactions (ii) non-metal displacement reactions. (I) Metal displacement reactions : `ast` PLACE a zinc metal STRIP in an aqueous copper sulphate solution taken in a beaker. Observe the solution, the INTENSITY of blue colour of the solution slowly reduced and finally disappeared. `ast` The zinc metal strip because coated with brownish metallic copper. This is due to the following metal displacement reaction . 
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