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Comment on the reactions of dihydrogen w...

Comment on the reactions of dihydrogen with
sodium

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Sodium reduces dihydrogen to hydride ion `(H^(-))` and itself gets oxidised to sodium ion `(Na^(+))`. In this reaction, an electron gets completely transferred from Na to H thereby forming ionic sodium hydride (NaH).
2Na(s) + `H_(2)(s) underset(" "rarr)(Delta) 2Na^(+)H^(-)(s)`
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