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Dihydrogen is a strong reducing agent. Can you thick of a reaction in which it acts as an oxidising agent ?

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`H_(2)` acts as an oxidising agent when it reacts with highly electropositive alkali metals. For example
`2Na(s) + H_(2)(g) to underset("Sod. Hydride")(2Na^(+)H^(-))`
Here, Na has been oxidised to `Na^(+)` while `H_(2)` has been reduced to hydride `(H^(-))` ion.

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