CAIE A Level Chemistry 9701 · Chemistry of transition elements

Chemistry of transition elements: suggest question

Suggest4 marksStandard

A complex has the formula [Ni(HX2NCHX2CHX2NHX2)X2(HX2O)X2]X2+\ce{[Ni(H2NCH2CH2NH2)2(H2O)2]^2+}, where HX2NCHX2CHX2NHX2\ce{H2NCH2CH2NH2} is the bidentate ligand ethane-1,2-diamine.

Suggest the types of stereoisomerism this complex can show, and state whether any of these isomers are polar.

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