what is activity series how does it help in extraction of metal
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The activity series of metals is an empirical tool used to predict products in displacement reactions and reactivity of metals with water and acids in replacement reactions and ore extraction. It can be used to predict the products in similar reactions involving a different metal.
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We can arrange metals in descending order of their reactivity. This series of writing metals is called activity series.
Uses of activity series the extraction of metals:
1. Activity series is extremely useful in extraction of metal because we can judge the nature of a metal and how it exists.
2. High reactive metals like K,Na,Ca,Mg and Al are so reactive that they are never found in nature in free state.
3. The moderate reactive metals like Zn,Fe,Pb etc are found in earth's crust mainly as oxides, sulphides and carbonates.
4. The least reactive metals like Au,Ag,Pt,Hg are found even in free state in nature.
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