why does not Platinum liberate hydrogen on reacting with dilute carbonic acid?
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Platinum is placed below hydrogen in the reactivity series as we know. Therefore, it cannot lose electrons to hydrogen ions of the acid called dilute sulphuric acid. Hydrogen gas is not evolved when Platinum reacts with dilute carbonic acid.
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hey...Copper does not reacts with dilute sulphuric acid, liberating hydrogen because copper is lower in the electromotive series than hydrogen. A more reactive element can displace a less reactive element from its salt solution. ... The metals below hydrogen in the activity series cannot do that.
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