IOM 2017, Блиц — Задача 71

OLYMPIAD OF METROPOLISES. Moscow, September 4 · 4 септември 2017 г.

Условие

Which of the statements are true for the hereunder octahedral complexes?

1. There are two geometric isomers for $[Fe(en)_2Cl_2]^+$

($en = NH_2CH_2CH_2NH_2$ is a bidentate ligand) 2. The oxidation state if iron is $+2$ in $[Fe(en)_2Cl_2]^+$ 3. $[Fe(en)_2Cl_2]^+$ is diamagnetic, because en is a strong field ligand 4. There are 6 isomers for $[Pt(CN)_2(H_2O)_2Br_2]$

Отговори

Решение

Оригинал в Архива: blitz.pdf · официални решения: answers-blitz.pdf