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When BF3 is treated with LiH at 450 K, a...

When `BF_3` is treated with LiH at 450 K, a hydride of borbon is formed. Identify the hydride of boron formed in the above reaction.

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MAXIMUM PUBLICATION-The p-block Elements-Exercise
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  14. When BF3 is treated with LiH at 450 K, a hydride of borbon is formed. ...

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  15. When BF3 is treated with LiH at 450 K, a hydride of borbon is formed. ...

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