問題詳情
2. Which of the following statements about ligands, d-block metals, and coordinationcomplexes is correct?
(A) The cyanate ion (OCN' can have three different Lewis structures, in which allthe N atoms have the same formal charge.
(B) Zinc is a component of vitamin
, which is essential for the metabolism ofcarbohydrates, fats, and proteins.
(C) [Co(NH3)4Cl2]+ has cis-trans isomers, and the cis isomer is optically active.
(D) [Cr(en)(NH3)2l2]+(en = ethylenediamine) has three geometrical isomers.
(E) The octahedral
complexes are more appropriate than the octahedral
complexes to be used to determine the field strength of a ligand.
參考答案
答案：D
難度：計算中-1
書單：沒有書單，新增