學士後西醫物理及化學題庫下載題庫

30. I.II The hybridization of boron in BF₃ is sp³.
II.I The molecule of is polar.
III. The bond order of N₂ molecule is two.
IV. The molecule of HCN has one pi bond and two sigma bonds.
Which is true?
(A) All four statements are correct.
(B) II is incorrect.
(C) I and IV are incorrect.
(D) II and III are incorrect.
(E) All four statements are incorrect.