試題詳解

複選題
35.Which of the following statements is correct?
(A)In O₂, O₂^2- , O₂^- , and O₂⁺ species, only the O₂^2- molecule is diamagnetic.
(B)The stability decreases in the order O₂⁺ > O₂ > O₂ ^- >O₂ ^2-
(C)The dissociation energy of N₂ is larger than that of N₂ ⁺ , while the dissociation energy of C₂⁺ is smaller than that of C₂.
(D)In Mn²⁺, Cr³⁺, Hg²⁺ , V ³⁺, Ni²⁺, and La³⁺ six transition metal ions, only Mn²⁺ , V ³⁺, and La³⁺ are paramagnetic.
(E)The atom size increases in the order K⁺ > Cl^- > S^2- , while the atom size of Au+ is larger than that of Au³⁺ .