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Why is hydrogen able to reduce copper oxide but unable to reduce magnesium oxide?
Wiki User
∙ 11y ago
because copper is located below hydrogen in reactivity series, thus hydrogen can reduce copper oxide which mean it undergo reduction reaction (loss of oxygen)
CuO + H2 → Cu + H2O
while, hydogen can't reduce magnesium because magnesium is located higher than hydrogen in reactvity series. it must be added with oxygen which mean it undergo oxidation reaction (gain oxygen)
2Mg + O2 → 2MgO
i hope this will help u a lot ^_^
Wiki User
∙ 11y ago
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