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Comment on the reactions of dihydrogen w...

Comment on the reactions of dihydrogen with
copper (II) oxide.

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Dihydrogen reduces copper(II) oxide to metallic copper while itself gets oxidised to from a covalent molecule of `H_(2)`O.
`overset(+2-2)" CuO(s)" + overset(0)H_(2)(s)underset(" "rarr" ") Delta overset(0)" Cu(s)"+overset("+1-2 ")(H_(2))O(l)`
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