試題詳解

20. Which of the following statements are incorrect?
I. The hybridization of boron in boron trifluoride is sp².
II. The molecule iodine trifluoride is nonpolar.
III. The bond order of disulfur is three.
IV. The molecule hydrogen cyanide has two pi bonds and two sigma bonds.
V. The magnetism of P2 is paramagnetic.
(A) I, II, III, V
(B) I, III
(C) III,V
(D) I, IV
(E) II, III, V