Why is Na more reactive than Zn?
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The metals copper, silver gold and platinum are less reactive than hydrogen and they do not replace hydrogen from water or acid. ... Zinc can displace copper from copper sulphate solution and iron from ferrous sulphate solution. So zinc is more reactive than iron and copper.
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Explanation:
It is because sodium has only 1 electron in its valence shell and Zn has 12 electron and if sodium donates 1 e it easily attains inert gas configuration
moreover Zn have a completely filled 3d subshell
which due to higher exchange energy between the e in 3d subshell are more stable so it is less reactive.
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