Reference no: EM131926166
The fluorides BF3, AlF3, SiF4, and PF5 are Lewis acids. The all form very stable fluoroanions when treated with lithium fluoride. In contrast, the three fluorides CF4, NF3, and SF6 do not react with lithium fluoride. Explain by selecting all that apply.
a. CF4 and NF3 have no available orbitals on the inner atoms to form additional bonds.
b. CF4 and NF3 are also Lewis acids.
c. BF3, AlF3, SiF4, and PF5 all have the ability to form a new bond.
d. In SF6, the inner atom is sterically crowded, preventing another F- from approaching the S atom.
e. BF3, AlF3, SiF4, and PF5 all contain electron deficient inner atoms.
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