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Boron does not react directly with hydro...

Boron does not react directly with hydrogen. Suggest one method to prepare diborane from `BF_(3)`.

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Boron does not react directly with hydrogen. However it forms a variety of hydrides called boranes. Treatment of gaseous boron trifluoride with sodium hydride around 450 K gives diborane.
`underset(("Borontrifluoride"))(2BF_(3))+6NaHoverset(450K)(to)underset(("Diborane"))(B_(2)H_(6))+6NaF`
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