CAIE A Level Chemistry 9701 · Chemistry of transition elements
A cobalt(III) complex has the formula , where is ethylenediamine (), a bidentate ligand.
Explain the types of stereoisomerism that this complex can exhibit. For each type, state which isomer(s) show it. Deduce whether any of the isomers are polar.
4 marks, so the mark scheme is looking for about 4 separate creditworthy points. Making the same point twice in different words earns it once.
Explain means: Give the reasons or the mechanism: why or how something happens. Link each point to the next with because, so or which means. A list of facts with no links usually loses the reasoning marks.
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