Which of the following statements are false? (A) Elements of group 15 form electron deficient hy...

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Which of the following statements are false?
(A) Elements of group 15 form electron deficient hydrides.
(B) All elements of group 14 from electron precise hydrides.
(C) Electron precise hydrides have tetrahedral geometries.
(D) Electron rich hydrides can act as Lewis acids.
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