Which of the following does not exist in free form? – InterviewSolution

1.	Which of the following does not exist in free form?
Answer» `BF_(3)` `BCl_(3)` `BBr_(3)` `BH_(3)` Solution :Boron form different hydride of GENERAL FORMULA `B_(n)H_(n+4) ` and `B_(n)H_(n+6)` but `BH_(3)` is UNKNOWN.

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