Define & Write a Stability Constant for a Complex When transition element ions are in aqueous solutions, they will automatically become hydrated Water molecules will surround the ion and act as...
Geometrical & Optical Stereoisomerism in Complexes Transition element complexes can exhibit stereoisomerism Geometrical (cis-trans) isomerism Even though transition element complexes do not ha...
Calculations of Other Redox Systems You are required to perform calculations involving redox reactions of transition elements These include: Constructing redox equations Calculating oxidation state...
Redox Systems: Ferrous & Permanganate The oxidation states of transition element ions can change during redox reactions A species will either be oxidised or reduced, depending on what reaction ...
Feasibility of Redox Reactions Using Standard Electrode Values Transition elements can form ions with various oxidation states The change in their oxidation states involves the transfer of electron...
Ligand Exchange Ligand exchange (or ligand substitution) is when one ligand in a complex is replaced by another Ligand exchange forms a new complex that is more stable than the original one The lig...
Coloured Compounds & Electron Promotion Most transition element complexes are coloured A transition element complex solution which is coloured, absorbs part of the electromagnetic spectrum in t...
Define Degenerate & non-Degenerate d Orbitals There are five d orbitals in an isolated transition element atom or ion An isolated transition element is one that is not bonded to anything else T...
CAIE剑桥国际考评部已经于2022年8月11日公布了今年夏季Alevel大考成绩。已经查到成绩的同学们都考得怎么样呢？都考到了目标分数了吗？ 虽然今年国内部分地区因为疫情采用了POE的评分方式，但大部分同学还是参加了...
