How is diborane prepared ?

1.	How is diborane prepared ?
Answer» Solution :`2BF_(3) (g) + 6LiH(s) overset(450 K) rarr B_(2)H_(6)(g) + 6 LIF(s)` or `2NaBH_(4) + I_(2)overset("DIGLYME")rarr B_(2)H_(6) + Nal + H_(2)`

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