why does not gold liberate hydrogen on reacting with dilute hydrochloric acid?
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Gold(Au) is placed below hydrogen in the reactivity series as we know. Therefore, it cannot lose electrons to hydrogen ions of the acid called dilute hydrochloric acid. Hydrogen gas is not evolved when gold reacts with dilute hydrochloric acid. As we know that gold is also known as Auram.
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Metals present on top of the activity series of metals react with acids to produce hydrogen gas while metals present below the hydrogen like silver does not react with acid to liberate hydrogen gas.
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