JEE CHEMISTRY MCQ: 13 TH GROUP ELEMENTS (P-BLOCK)

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Diborane is prepared on large scale by

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Correct option: A

2 \mathrm{BF}_3(\mathrm{g})+6 \mathrm{LiH}(\mathrm{s}) \stackrel{450 \mathrm{~K}}{\longrightarrow} \mathrm{B}_2 \mathrm{H}_6(\mathrm{g})+6 \mathrm{LiF}(\mathrm{s})

Option A (

2 \mathrm{BF}_3(\mathrm{g})+6 \mathrm{LiH}(\mathrm{s}) \stackrel{450 \mathrm{~K}}{\longrightarrow} \mathrm{B}_2 \mathrm{H}_6(\mathrm{g})+6 \mathrm{LiF}(\mathrm{s})

) is correct because this reaction is a standard method for large-scale preparation of diborane.

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