IB Chemistry SL 3.4.7 Coordination Bond Formation Question Bank

Practise IB Chemistry SL 3.4.7 with questions explaining electron-pair donation from Lewis bases to Lewis acids.

Exam points

identify the ligand or Lewis base that supplies both electrons in the shared pair
identify the Lewis-acid centre accepting the pair to form the coordination bond
draw electron-pair donation from the ligand lone pair towards the accepting centre

[Maximum number: 1]

Peptidase enzyme in the digestive system hydrolyses peptide bonds.

Outline how lead ions could be removed from an individual suffering from lead poisoning.

«use of» host-guest chemistry

OR

chelation «therapy»

Marking guidance:

Accept specific medication/chelating agent such as EDTA, $\ce{CaNa2}$ EDTA, succimer, D-penicillamine, dimercaprol.

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