Explain about preparation of diborane, Chemistry

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Q. Explain about Preparation of diborane?

Diborane can be prepared in almost quantitative yields by the reduction of boron Tricloride etherate (BF3, 0Et2) with lithium aluminium hydride (LiAIH4,) or sodium borohydride (NaBH4,):

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where diglyme is diethyleneglycol dimethyl ether, (MeOCH2,CH2) 20. Diborane can also be prepared by treating NaBH4, with conc. H2SO4 or H3PO4.


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