Find total number of atoms present in one plane of molecule A.

Question

TestHub · Accepted Answer

Identification: The reaction of BF₃ with LiAlH₄ produces diborane (B₂H₆), which is molecule A.

Structure: Diborane contains two boron atoms, four terminal hydrogen atoms, and two bridging hydrogen atoms.

Planarity: The two boron atoms and the four terminal hydrogen atoms all lie in the same central plane.

Non-planar atoms: The remaining two bridging hydrogen atoms lie in a perpendicular plane (one above and one below).

Conclusion: Adding the co-planar atoms gives $2 (B oro n) + 4 (T er mina l Hy d ro g e n) = 6atoms$ .

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